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BOSTON MARATHON 2025

Sara Barron

Bib: 6831•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5279
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:34
Rank: #5273 (+6)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:34
Rank: #5380 (-107)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:00
Rank: #5571 (-191)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:28:34
Rank: #5541 (+30)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:10
Rank: #5467 (+74)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:06:54
Rank: #5233 (+234)
25K → 30K
21:44 | 7:00/mi
20M
2:16:31
Rank: #5149 (+84)
30K → 20M
9:37 | 7:05/mi
21M
2:23:58
Rank: #5063 (+86)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:29:01
Rank: #4990 (+73)
21M → 35K
5:03 | 6:45/mi
23M
2:37:48
Rank: #4885 (+105)
35K → 23M
8:47 | 7:01/mi
24M
2:44:35
Rank: #4784 (+101)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:50:30
Rank: #4710 (+74)
24M → 40K
5:55 | 6:55/mi
25.2M
2:53:09
Rank: #4688 (+22)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:59:54
Rank: #4666 (+22)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:34
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:0220:456:4120:45
6:41
-
10K
6.21 mi10:50:5141:346:4120:49
6:42
+0:01
15K
9.32 mi11:11:511:02:346:4321:00
6:46
+0:04
20K
12.43 mi11:33:171:24:006:4621:26
6:54
+0:08
Half
13.11 mi11:37:511:28:346:454:34
6:42
-0:12
25K
15.53 mi11:54:271:45:106:4616:36
6:51
+0:09
30K
18.64 mi12:16:112:06:546:4821:44
7:00
+0:09
20M
20.00 mi12:25:482:16:316:509:37
7:05
+0:05
21M
21.00 mi12:33:152:23:586:517:27
7:27
+0:22
35K
21.75 mi12:38:182:29:016:515:03
6:45
-0:42
23M
23.00 mi12:47:052:37:486:528:47
7:01
+0:16
24M
24.00 mi12:53:522:44:356:516:47
6:47
-0:14
40K
24.85 mi12:59:472:50:306:525:55
6:55
+0:08
25.2M
25.20 mi13:02:262:53:096:522:39
7:41
+0:46
Finish
26.22 mi13:09:112:59:546:526:45
6:37
-1:04

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

6:37 /mi

Average Pace

6:52 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:48

94% of race

Time at Steady Pace

10:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:30:0220:456:4120:45
6:41
#5279
10K
6.21 mi10:50:5141:346:4120:49
6:42
#5273
15K
9.32 mi11:11:511:02:346:4321:00
6:46
#5380
20K
12.43 mi11:33:171:24:006:4621:26
6:54
#5571
Half
13.11 mi11:37:511:28:346:454:34
6:42
#5541
25K
15.53 mi11:54:271:45:106:4616:36
6:51
#5467
30K
18.64 mi12:16:112:06:546:4821:44
7:00
#5233
20M
20.00 mi12:25:482:16:316:509:37
7:05
#5149
21M
21.00 mi12:33:152:23:586:517:27
7:27
#5063
35K
21.75 mi12:38:182:29:016:515:03
6:45
#4990
23M
23.00 mi12:47:052:37:486:528:47
7:01
#4885
24M
24.00 mi12:53:522:44:356:516:47
6:47
#4784
40K
24.85 mi12:59:472:50:306:525:55
6:55
#4710
25.2M
25.20 mi13:02:262:53:096:522:39
7:41
#4688
Finish
26.22 mi13:09:112:59:546:526:45
6:37
#4666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi52793563565706(Top 20%)488(Top 4%)488(Top 9%)
10K6.21 mi3.10 mi5273+6367-11367-115361(Top 19%)391(Top 3%)391(Top 7%)
15K9.32 mi3.11 mi5380-107388-21388-215706(Top 20%)488(Top 4%)488(Top 9%)
20K12.43 mi3.11 mi5571-191433-45433-456199(Top 22%)596(Top 5%)596(Top 11%)
Half13.11 mi0.68 mi5541+304334335301(Top 19%)407(Top 3%)407(Top 7%)
25K15.53 mi2.42 mi5467+74428+5428+55263(Top 19%)430(Top 4%)430(Top 8%)
30K18.64 mi3.11 mi5233+234410+18410+184663(Top 16%)397(Top 3%)397(Top 7%)
20M20.00 mi1.36 mi5149+84405+5405+54576(Top 16%)408(Top 3%)408(Top 7%)
21M21.00 mi1.00 mi5063+86398+7398+74382(Top 15%)448(Top 4%)448(Top 8%)
35K21.75 mi0.75 mi4990+73394+4394+43871(Top 14%)381(Top 3%)381(Top 7%)
23M23.00 mi1.25 mi4885+105385+9385+93877(Top 14%)382(Top 3%)382(Top 7%)
24M24.00 mi1.00 mi4784+101379+6379+63446(Top 12%)343(Top 3%)343(Top 6%)
40K24.85 mi0.85 mi4710+74375+4375+43498(Top 12%)378(Top 3%)378(Top 7%)
25.2M25.20 mi0.35 mi4688+22379-4379-44321(Top 15%)643(Top 5%)643(Top 12%)
Finish26.22 mi1.02 mi4666+22378+1378+13495(Top 12%)423(Top 3%)423(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5706

Females

488

F18-39

488

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5361

Females

391

F18-39

391

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5706

Females

488

F18-39

488

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6199

Females

596

F18-39

596

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5301

Females

407

F18-39

407

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5263

Females

430

F18-39

430

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4663

Females

397

F18-39

397

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4576

Females

408

F18-39

408

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4382

Females

448

F18-39

448

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3871

Females

381

F18-39

381

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3877

Females

382

F18-39

382

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3446

Females

343

F18-39

343

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3498

Females

378

F18-39

378

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4321

Females

643

F18-39

643

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3495

Females

423

F18-39

423

Passing Analysis

Category:
Athletes Passed
1575
Passed By
962
Net Change
+613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5279
5K → 10K179173+6#5279#5273
10K → 15K89196-107#5273#5380
15K → 20K76267-191#5380#5571
20K → Half4010+30#5571#5541
Half → 25K15278+74#5541#5467
25K → 30K27844+234#5467#5233
30K → 20M11733+84#5233#5149
20M → 21M11731+86#5149#5063
21M → 35K9219+73#5063#4990
35K → 23M13429+105#4990#4885
23M → 24M11312+101#4885#4784
24M → 40K9824+74#4784#4710
40K → 25.2M3917+22#4710#4688
25.2M → Finish5129+22#4688#4666
TOTALS1575962+613
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing