All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Sophie Song

Bib: 21562•F

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:51
3.11 mi
Rank: #20876
Start → 5K
26:51 | 8:39/mi
10K
53:16
6.21 mi
Rank: #20585 (+291)
5K → 10K
26:25 | 8:31/mi
15K
1:20:03
9.32 mi
Rank: #20669 (-84)
10K → 15K
26:47 | 8:38/mi
20K
1:47:10
12.43 mi
Rank: #20638 (+31)
15K → 20K
27:07 | 8:44/mi
HALF
1:52:59
13.11 mi
Rank: #20622 (+16)
20K → HALF
5:49 | 8:32/mi
25K
2:14:15
15.53 mi
Rank: #20523 (+99)
HALF → 25K
21:16 | 8:47/mi
30K
2:42:59
18.64 mi
Rank: #20571 (-48)
25K → 30K
28:44 | 9:15/mi
20M
2:55:55
20.00 mi
Rank: #20619 (-48)
30K → 20M
12:56 | 9:32/mi
21M
3:06:04
21.00 mi
Rank: #20631 (-12)
20M → 21M
10:09 | 10:09/mi
35K
3:12:50
21.75 mi
Rank: #20608 (+23)
21M → 35K
6:46 | 9:03/mi
23M
3:25:02
23.00 mi
Rank: #20681 (-73)
35K → 23M
12:12 | 9:45/mi
24M
3:34:36
24.00 mi
Rank: #20734 (-53)
23M → 24M
9:34 | 9:34/mi
40K
3:43:06
24.85 mi
Rank: #20804 (-70)
24M → 40K
8:30 | 9:57/mi
25.2M
3:46:53
25.20 mi
Rank: #20838 (-34)
40K → 25.2M
3:47 | 10:59/mi
FINISH
3:56:56
26.22 mi
Rank: #21009 (-171)
25.2M → FINISH
10:03 | 9:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:59
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:03:57
Pace9:28 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1326:518:3926:51
8:39
-
10K
6.21 mi11:54:3853:168:3526:25
8:31
-0:08
15K
9.32 mi12:21:251:20:038:3626:47
8:38
+0:07
20K
12.43 mi12:48:321:47:108:3827:07
8:44
+0:06
HALF
13.11 mi12:54:211:52:598:385:49
8:32
-0:12
25K
15.53 mi13:15:372:14:158:3921:16
8:47
+0:15
30K
18.64 mi13:44:212:42:598:4528:44
9:15
+0:28
20M
20.00 mi13:57:172:55:558:4812:56
9:32
+0:17
21M
21.00 mi14:07:263:06:048:5210:09
10:09
+0:37
35K
21.75 mi14:14:123:12:508:536:46
9:03
-1:06
23M
23.00 mi14:26:243:25:028:5512:12
9:45
+0:42
24M
24.00 mi14:35:583:34:368:579:34
9:34
-0:11
40K
24.85 mi14:44:283:43:068:598:30
9:57
+0:23
25.2M
25.20 mi14:48:153:46:539:013:47
10:59
+1:02
FINISH
26.22 mi14:58:183:56:569:0310:03
9:52
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:31 /mi

Average Pace

9:03 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:14:15

57% of race

Time at Steady Pace

58:00

24% of race

Time at Slower Pace

44:41

19% of race

Average Pace: 9:02 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:1326:518:3926:51
8:39
#20876
10K
6.21 mi11:54:3853:168:3526:25
8:31
#20585
15K
9.32 mi12:21:251:20:038:3626:47
8:38
#20669
20K
12.43 mi12:48:321:47:108:3827:07
8:44
#20638
HALF
13.11 mi12:54:211:52:598:385:49
8:32
#20622
25K
15.53 mi13:15:372:14:158:3921:16
8:47
#20523
30K
18.64 mi13:44:212:42:598:4528:44
9:15
#20571
20M
20.00 mi13:57:172:55:558:4812:56
9:32
#20619
21M
21.00 mi14:07:263:06:048:5210:09
10:09
#20631
35K
21.75 mi14:14:123:12:508:536:46
9:03
#20608
23M
23.00 mi14:26:243:25:028:5512:12
9:45
#20681
24M
24.00 mi14:35:583:34:368:579:34
9:34
#20734
40K
24.85 mi14:44:283:43:068:598:30
9:57
#20804
25.2M
25.20 mi14:48:153:46:539:013:47
10:59
#20838
FINISH
26.22 mi14:58:183:56:569:0310:03
9:52
#21009
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi208768098809820801(Top 72%)8008(Top 64%)8008(Top 649%)
10K6.21 mi3.10 mi20585+2917933+1657933+16520373(Top 70%)7795(Top 62%)7795(Top 632%)
15K9.32 mi3.11 mi20669-847962-297962-2920801(Top 72%)8008(Top 64%)8008(Top 649%)
20K12.43 mi3.11 mi20638+317966-47966-420601(Top 71%)7952(Top 63%)7952(Top 645%)
HALF13.11 mi0.68 mi20622+167953+137953+1320518(Top 71%)7880(Top 63%)7880(Top 639%)
25K15.53 mi2.42 mi20523+997917+367917+3620093(Top 69%)7710(Top 61%)7710(Top 625%)
30K18.64 mi3.11 mi20571-487958-417958-4120733(Top 71%)8117(Top 65%)8117(Top 658%)
20M20.00 mi1.36 mi20619-487993-357993-3521141(Top 73%)8417(Top 67%)8417(Top 683%)
21M21.00 mi1.00 mi20631-128004-118004-1120929(Top 72%)8337(Top 66%)8337(Top 676%)
35K21.75 mi0.75 mi20608+238004800420226(Top 70%)8055(Top 64%)8055(Top 653%)
23M23.00 mi1.25 mi20681-738057-538057-5321409(Top 74%)8688(Top 69%)8688(Top 705%)
24M24.00 mi1.00 mi20734-538091-348091-3421566(Top 74%)8829(Top 70%)8829(Top 716%)
40K24.85 mi0.85 mi20804-708140-498140-4921775(Top 75%)8990(Top 71%)8990(Top 729%)
25.2M25.20 mi0.35 mi20838-348161-218161-2122317(Top 77%)9236(Top 73%)9236(Top 749%)
FINISH26.22 mi1.02 mi21009-1718256-958256-9523473(Top 81%)9851(Top 78%)9851(Top 799%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20801

Females

8008

F50-54

8008

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20373

Females

7795

F50-54

7795

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20801

Females

8008

F50-54

8008

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20601

Females

7952

F50-54

7952

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20518

Females

7880

F50-54

7880

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20093

Females

7710

F50-54

7710

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20733

Females

8117

F50-54

8117

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21141

Females

8417

F50-54

8417

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20929

Females

8337

F50-54

8337

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20226

Females

8055

F50-54

8055

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21409

Females

8688

F50-54

8688

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21566

Females

8829

F50-54

8829

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21775

Females

8990

F50-54

8990

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22317

Females

9236

F50-54

9236

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
×2
+22ft-21ft

Overall

23473

Females

9851

F50-54

9851

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1535*
Passed By
1611
Net Change
-133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20876
5K → 10K458*167+291#20876#20585
10K → 15K167200-84#20585#20669
15K → 20K177146+31#20669#20638
20K → HALF3923+16#20638#20622
HALF → 25K18081+99#20622#20523
25K → 30K158200-48#20523#20571
30K → 20M72120-48#20571#20619
20M → 21M7284-12#20619#20631
21M → 35K4825+23#20631#20608
35K → 23M52125-73#20608#20681
23M → 24M4396-53#20681#20734
24M → 40K42112-70#20734#20804
40K → 25.2M1044-34#20804#20838
25.2M → FINISH17188-171#20838#21009
TOTALS1535*1611-133

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing