Boston Marathon logo
BOSTON MARATHON 2026

Sophie Shufer

Bib: 31123•F

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Division (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:50/mi
33:39
↑ 97↓ 3451.5%
10K· 6.21 mi
10:53/mi
1:07:25
↑ 79↓ 1380.4%
15K· 9.32 mi
10:52/mi
1:41:09
↑ 67↓ 78
20K· 12.43 mi
10:58/mi
2:15:11
↑ 106↓ 860.1%
HALF· 13.11 mi
10:47/mi
2:22:32
↑ 19↓ 370.5%
25K· 15.53 mi
11:01/mi
2:49:14
↑ 66↓ 880.2%
30K· 18.64 mi
11:12/mi
3:23:59
↑ 181↓ 1480.2%
20M
11:07/mi
3:39:04
↑ 64↓ 500.2%
21M
11:33/mi
3:50:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
3:58:35
↑ 17↓ 861.7%
23M
11:07/mi
4:12:29
↑ 23↓ 630.6%
24M
10:38/mi
4:23:07
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:32:28
↓ 200.3%
25.2M
11:13/mi
4:36:20
↑ 13↓ 160.2%
FINISH· 26.22 mi
10:05/mi
4:46:36
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time2:22:32
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:24:04
Pace11:00 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:4333:3910:5033:39
10:50
-
10K
6.21 mi12:36:291:07:2510:5133:46
10:53
+0:03
15K
9.32 mi13:10:131:41:0910:5233:44
10:52
-0:01
20K
12.43 mi13:44:152:15:1110:5334:02
10:58
+0:06
HALF
13.11 mi13:51:362:22:3210:537:21
10:47
-0:11
25K
15.53 mi14:18:182:49:1410:5426:42
11:01
+0:14
30K
18.64 mi14:53:033:23:5910:5734:45
11:12
+0:11
20M
20.00 mi15:08:083:39:0410:5815:05
11:07
-0:05
21M
21.00 mi15:19:413:50:3710:5911:33
11:33
+0:26
35K
21.75 mi15:27:393:58:3510:597:58
10:39
-0:54
23M
23.00 mi15:41:334:12:2910:5913:54
11:07
+0:28
24M
24.00 mi15:52:114:23:0710:5810:38
10:38
-0:29
40K
24.85 mi16:01:324:32:2810:589:21
10:57
+0:19
25.2M
25.20 mi16:05:244:36:2010:583:52
11:13
+0:16
FINISH
26.22 mi16:15:404:46:3610:5710:16
10:05
-1:08

Checkpoints & Pacing

📈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

10:05 /mi

Average Pace

10:56 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:27

72% of race

Time at Steady Pace

1:19:09

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:56 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:02:4333:3910:5033:39
10:50
#27771
10K
6.21 mi12:36:291:07:2510:5133:46
10:53
#27647
15K
9.32 mi13:10:131:41:0910:5233:44
10:52
#27499
20K
12.43 mi13:44:152:15:1110:5334:02
10:58
#27337
HALF
13.11 mi13:51:362:22:3210:537:21
10:47
#27319
25K
15.53 mi14:18:182:49:1410:5426:42
11:01
#27159
30K
18.64 mi14:53:033:23:5910:5734:45
11:12
#26906
20M
20.00 mi15:08:083:39:0410:5815:05
11:07
#26794
21M
21.00 mi15:19:413:50:3710:5911:33
11:33
#26666
35K
21.75 mi15:27:393:58:3510:597:58
10:39
#26583
23M
23.00 mi15:41:334:12:2910:5913:54
11:07
#26496
24M
24.00 mi15:52:114:23:0710:5810:38
10:38
#26418
40K
24.85 mi16:01:324:32:2810:589:21
10:57
#26339
25.2M
25.20 mi16:05:244:36:2010:583:52
11:13
#26304
FINISH
26.22 mi16:15:404:46:3610:5710:16
10:05
#26236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27771117341173427251(Top 94%)11458(Top 91%)11458(Top 200%)
10K6.21 mi3.10 mi27647+12411663+7111663+7127517(Top 95%)11608(Top 92%)11608(Top 203%)
15K9.32 mi3.11 mi27499+14811597+6611597+6627251(Top 94%)11458(Top 91%)11458(Top 200%)
20K12.43 mi3.11 mi27337+16211497+10011497+10026906(Top 93%)11269(Top 90%)11269(Top 197%)
HALF13.11 mi0.68 mi27319+1811488+911488+927103(Top 93%)11421(Top 91%)11421(Top 200%)
25K15.53 mi2.42 mi27159+16011405+8311405+8326352(Top 91%)11010(Top 88%)11010(Top 193%)
30K18.64 mi3.11 mi26906+25311285+12011285+12025674(Top 88%)10719(Top 85%)10719(Top 188%)
20M20.00 mi1.36 mi26794+11211224+6111224+6125122(Top 87%)10505(Top 84%)10505(Top 184%)
21M21.00 mi1.00 mi26666+12811164+6011164+6024293(Top 84%)10147(Top 81%)10147(Top 178%)
35K21.75 mi0.75 mi26583+8311124+4011124+4024635(Top 85%)10333(Top 82%)10333(Top 181%)
23M23.00 mi1.25 mi26496+8711091+3311091+3324734(Top 85%)10434(Top 83%)10434(Top 183%)
24M24.00 mi1.00 mi26418+7811055+3611055+3624371(Top 84%)10282(Top 82%)10282(Top 180%)
40K24.85 mi0.85 mi26339+7911028+2711028+2724151(Top 83%)10216(Top 81%)10216(Top 179%)
25.2M25.20 mi0.35 mi26304+3511011+1711011+1722939(Top 79%)9582(Top 76%)9582(Top 168%)
FINISH26.22 mi1.02 mi26236+6810989+2210989+2224065(Top 83%)10157(Top 81%)10157(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

27251

Females

11458

F18-39

11458

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27517

Females

11608

F18-39

11608

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

27251

Females

11458

F18-39

11458

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26906

Females

11269

F18-39

11269

20K→HALF

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

27103

Females

11421

F18-39

11421

HALF→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

26352

Females

11010

F18-39

11010

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25674

Females

10719

F18-39

10719

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

25122

Females

10505

F18-39

10505

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

24293

Females

10147

F18-39

10147

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24635

Females

10333

F18-39

10333

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24734

Females

10434

F18-39

10434

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

24371

Females

10282

F18-39

10282

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

24151

Females

10216

F18-39

10216

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22939

Females

9582

F18-39

9582

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

24065

Females

10157

F18-39

10157

Passing Analysis

Category:
Athletes Passed
1800
Passed By
265
Net Change
+1535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27771
5K → 10K21995+124#27771#27647
10K → 15K20658+148#27647#27499
15K → 20K19331+162#27499#27337
20K → HALF2911+18#27337#27319
HALF → 25K17616+160#27319#27159
25K → 30K26714+253#27159#26906
30K → 20M1197+112#26906#26794
20M → 21M1280+128#26794#26666
21M → 35K852+83#26666#26583
35K → 23M958+87#26583#26496
23M → 24M802+78#26496#26418
24M → 40K867+79#26418#26339
40K → 25.2M361+35#26339#26304
25.2M → FINISH8113+68#26304#26236
TOTALS1800265+1535
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
OTQ

Olympic Trials Qualifying analysis available

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing