Boston Marathon logo
BOSTON MARATHON 2023

Sophie Long

Bib: 4891•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 10%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3689
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:19
Rank: #3540 (+149)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:45
Rank: #3393 (+147)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:17
Rank: #3230 (+163)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:42
Rank: #3185 (+45)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:42:49
Rank: #3131 (+54)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:03:45
Rank: #2966 (+165)
25K → 30K
20:56 | 6:44/mi
20M
2:12:59
Rank: #2933 (+33)
30K → 20M
9:14 | 6:48/mi
21M
2:20:01
Rank: #2862 (+71)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:24:54
Rank: #2839 (+23)
21M → 35K
4:53 | 6:32/mi
23M
2:33:30
Rank: #2814 (+25)
35K → 23M
8:36 | 6:52/mi
24M
2:40:07
Rank: #2784 (+30)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:45:53
Rank: #2743 (+41)
24M → 40K
5:46 | 6:45/mi
25.2M
2:48:19
Rank: #2720 (+23)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:54:56
Rank: #2681 (+39)
25.2M → Finish
6:37 | 6:30/mi

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
Time1:26:42
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3820:496:4220:49
6:42
-
10K
6.21 mi10:43:0841:196:3920:30
6:36
-0:06
15K
9.32 mi11:03:341:01:456:3820:26
6:35
-0:01
20K
12.43 mi11:24:061:22:176:3720:32
6:37
+0:02
Half
13.11 mi11:28:311:26:426:374:25
6:28
-0:09
25K
15.53 mi11:44:381:42:496:3716:07
6:39
+0:11
30K
18.64 mi12:05:342:03:456:3820:56
6:44
+0:05
20M
20.00 mi12:14:482:12:596:399:14
6:48
+0:04
21M
21.00 mi12:21:502:20:016:407:02
7:02
+0:14
35K
21.75 mi12:26:432:24:546:404:53
6:32
-0:30
23M
23.00 mi12:35:192:33:306:408:36
6:52
+0:20
24M
24.00 mi12:41:562:40:076:406:37
6:37
-0:15
40K
24.85 mi12:47:422:45:536:405:46
6:45
+0:08
25.2M
25.20 mi12:50:082:48:196:412:26
7:03
+0:18
Finish
26.22 mi12:56:452:54:566:416:37
6:30
-0:33

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

6:28 /mi

Average Pace

6:41 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:38

84% of race

Time at Steady Pace

27:18

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:22:3820:496:4220:49
6:42
#3689
10K
6.21 mi10:43:0841:196:3920:30
6:36
#3540
15K
9.32 mi11:03:341:01:456:3820:26
6:35
#3393
20K
12.43 mi11:24:061:22:176:3720:32
6:37
#3230
Half
13.11 mi11:28:311:26:426:374:25
6:28
#3185
25K
15.53 mi11:44:381:42:496:3716:07
6:39
#3131
30K
18.64 mi12:05:342:03:456:3820:56
6:44
#2966
20M
20.00 mi12:14:482:12:596:399:14
6:48
#2933
21M
21.00 mi12:21:502:20:016:407:02
7:02
#2862
35K
21.75 mi12:26:432:24:546:404:53
6:32
#2839
23M
23.00 mi12:35:192:33:306:408:36
6:52
#2814
24M
24.00 mi12:41:562:40:076:406:37
6:37
#2784
40K
24.85 mi12:47:422:45:536:405:46
6:45
#2743
25.2M
25.20 mi12:50:082:48:196:412:26
7:03
#2720
Finish
26.22 mi12:56:452:54:566:416:37
6:30
#2681
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi36892132133131(Top 12%)146(Top 1%)146(Top 3%)
10K6.21 mi3.10 mi3540+149195+18195+183503(Top 13%)184(Top 2%)184(Top 4%)
15K9.32 mi3.11 mi3393+147175+20175+203131(Top 12%)146(Top 1%)146(Top 3%)
20K12.43 mi3.11 mi3230+163154+21154+212933(Top 11%)135(Top 1%)135(Top 3%)
Half13.11 mi0.68 mi3185+45149+5149+52704(Top 10%)109(Top 1.0%)109(Top 2%)
25K15.53 mi2.42 mi3131+54146+3146+33008(Top 11%)140(Top 1%)140(Top 3%)
30K18.64 mi3.11 mi2966+165133+13133+132628(Top 10%)130(Top 1%)130(Top 3%)
20M20.00 mi1.36 mi2933+33130+3130+32813(Top 11%)153(Top 1%)153(Top 3%)
21M21.00 mi1.00 mi2862+71126+4126+42341(Top 9%)127(Top 1%)127(Top 3%)
35K21.75 mi0.75 mi2839+23125+1125+12629(Top 10%)146(Top 1%)146(Top 3%)
23M23.00 mi1.25 mi2814+25130-5130-53078(Top 12%)205(Top 2%)205(Top 4%)
24M24.00 mi1.00 mi2784+30133-3133-32686(Top 10%)182(Top 2%)182(Top 4%)
40K24.85 mi0.85 mi2743+411331332590(Top 10%)189(Top 2%)189(Top 4%)
25.2M25.20 mi0.35 mi2720+23130+3130+32009(Top 8%)121(Top 1%)121(Top 2%)
Finish26.22 mi1.02 mi2681+39127+3127+32479(Top 9%)192(Top 2%)192(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3131

Females

146

F18-39

146

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3503

Females

184

F18-39

184

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3131

Females

146

F18-39

146

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2933

Females

135

F18-39

135

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2704

Females

109

F18-39

109

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3008

Females

140

F18-39

140

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2628

Females

130

F18-39

130

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2813

Females

153

F18-39

153

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2341

Females

127

F18-39

127

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2629

Females

146

F18-39

146

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3078

Females

205

F18-39

205

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2686

Females

182

F18-39

182

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2590

Females

189

F18-39

189

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2009

Females

121

F18-39

121

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2479

Females

192

F18-39

192

Passing Analysis

Category:
Athletes Passed
1418
Passed By
410
Net Change
+1008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3689
5K → 10K284135+149#3689#3540
10K → 15K18942+147#3540#3393
15K → 20K18522+163#3393#3230
20K → Half505+45#3230#3185
Half → 25K8632+54#3185#3131
25K → 30K18318+165#3131#2966
30K → 20M5825+33#2966#2933
20M → 21M8110+71#2933#2862
21M → 35K4017+23#2862#2839
35K → 23M6338+25#2839#2814
23M → 24M5727+30#2814#2784
24M → 40K6019+41#2784#2743
40K → 25.2M263+23#2743#2720
25.2M → Finish5617+39#2720#2681
TOTALS1418410+1008
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing