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BOSTON MARATHON 2025

Brittany Gaulin

Bib: 27247•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:05
Rank: #26355
Start → 5K
32:05 | 10:20/mi
10K· 6.21 mi
1:09:37
Rank: #27543 (-1188)
5K → 10K
37:32 | 12:05/mi
15K· 9.32 mi
1:46:08
Rank: #27522 (+21)
10K → 15K
36:31 | 11:45/mi
20K· 12.43 mi
2:27:48
Rank: #27736 (-214)
15K → 20K
41:40 | 13:25/mi
Half· 13.11 mi
2:35:45
Rank: #27716 (+20)
20K → Half
7:57 | 11:39/mi
25K· 15.53 mi
3:07:06
Rank: #27634 (+82)
Half → 25K
31:21 | 12:56/mi
30K· 18.64 mi
3:47:28
Rank: #27491 (+143)
25K → 30K
40:22 | 13:00/mi
20M
4:07:25
Rank: #27519 (-28)
30K → 20M
19:57 | 14:41/mi
21M
4:22:17
Rank: #27505 (+14)
20M → 21M
14:52 | 14:52/mi
35K· 21.75 mi
4:31:42
Rank: #27483 (+22)
21M → 35K
9:25 | 12:35/mi
23M
4:48:47
Rank: #27485 (-2)
35K → 23M
17:05 | 13:39/mi
24M
5:01:49
Rank: #27476 (+9)
23M → 24M
13:02 | 13:02/mi
40K· 24.85 mi
5:12:37
Rank: #27431 (+45)
24M → 40K
10:48 | 12:38/mi
25.2M
5:17:26
Rank: #27424 (+7)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
5:29:33
Rank: #27413 (+11)
25.2M → Finish
12:07 | 11:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:35:45
Pace11:53 /mi
2nd Half
Distance13.11 mi
Time2:53:48
Pace13:15 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4032:0510:2032:05
10:20
-
10K
6.21 mi12:25:121:09:3711:1237:32
12:05
+1:45
15K
9.32 mi13:01:431:46:0811:2336:31
11:45
-0:20
20K
12.43 mi13:43:232:27:4811:5441:40
13:25
+1:40
Half
13.11 mi13:51:202:35:4511:537:57
11:39
-1:46
25K
15.53 mi14:22:413:07:0612:0331:21
12:56
+1:17
30K
18.64 mi15:03:033:47:2812:1240:22
13:00
+0:04
20M
20.00 mi15:23:004:07:2512:2219:57
14:41
+1:41
21M
21.00 mi15:37:524:22:1712:2914:52
14:52
+0:11
35K
21.75 mi15:47:174:31:4212:309:25
12:35
-2:17
23M
23.00 mi16:04:224:48:4712:3317:05
13:39
+1:04
24M
24.00 mi16:17:245:01:4912:3513:02
13:02
-0:37
40K
24.85 mi16:28:125:12:3712:3510:48
12:38
-0:24
25.2M
25.20 mi16:33:015:17:2612:364:49
13:58
+1:20
Finish
26.22 mi16:45:085:29:3312:3512:07
11:53
-2:05

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

10:20 /mi

Average Pace

12:35 /mi

Slowest Pace

14:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:12

38% of race

Time at Steady Pace

2:26:38

44% of race

Time at Slower Pace

56:43

17% of race

Average Pace: 12:34 /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 mi11:47:4032:0510:2032:05
10:20
#26355
10K
6.21 mi12:25:121:09:3711:1237:32
12:05
#27543
15K
9.32 mi13:01:431:46:0811:2336:31
11:45
#27522
20K
12.43 mi13:43:232:27:4811:5441:40
13:25
#27736
Half
13.11 mi13:51:202:35:4511:537:57
11:39
#27716
25K
15.53 mi14:22:413:07:0612:0331:21
12:56
#27634
30K
18.64 mi15:03:033:47:2812:1240:22
13:00
#27491
20M
20.00 mi15:23:004:07:2512:2219:57
14:41
#27519
21M
21.00 mi15:37:524:22:1712:2914:52
14:52
#27505
35K
21.75 mi15:47:174:31:4212:309:25
12:35
#27483
23M
23.00 mi16:04:224:48:4712:3317:05
13:39
#27485
24M
24.00 mi16:17:245:01:4912:3513:02
13:02
#27476
40K
24.85 mi16:28:125:12:3712:3510:48
12:38
#27431
25.2M
25.20 mi16:33:015:17:2612:364:49
13:58
#27424
Finish
26.22 mi16:45:085:29:3312:3512:07
11:53
#27413
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26355109491094927445(Top 97%)11648(Top 95%)11648(Top 213%)
10K6.21 mi3.10 mi27543-118811666-71711666-71727977(Top 98%)11960(Top 98%)11960(Top 219%)
15K9.32 mi3.11 mi27522+2111673-711673-727445(Top 97%)11648(Top 95%)11648(Top 213%)
20K12.43 mi3.11 mi27736-21411818-14511818-14528027(Top 99%)12014(Top 98%)12014(Top 220%)
Half13.11 mi0.68 mi27716+2011807+1111807+1127186(Top 96%)11522(Top 94%)11522(Top 211%)
25K15.53 mi2.42 mi27634+8211754+5311754+5327243(Top 96%)11570(Top 95%)11570(Top 212%)
30K18.64 mi3.11 mi27491+14311695+5911695+5926667(Top 94%)11314(Top 93%)11314(Top 207%)
20M20.00 mi1.36 mi27519-2811725-3011725-3027730(Top 98%)11932(Top 98%)11932(Top 218%)
21M21.00 mi1.00 mi27505+1411719+611719+627040(Top 95%)11587(Top 95%)11587(Top 212%)
35K21.75 mi0.75 mi27483+2211706+1311706+1326550(Top 93%)11364(Top 93%)11364(Top 208%)
23M23.00 mi1.25 mi27485-211710-411710-427008(Top 95%)11614(Top 95%)11614(Top 212%)
24M24.00 mi1.00 mi27476+911711-111711-126886(Top 95%)11580(Top 95%)11580(Top 212%)
40K24.85 mi0.85 mi27431+4511687+2411687+2425829(Top 91%)11055(Top 90%)11055(Top 202%)
25.2M25.20 mi0.35 mi27424+711685+211685+226238(Top 92%)11314(Top 93%)11314(Top 207%)
Finish26.22 mi1.02 mi27413+1111680+511680+526663(Top 94%)11460(Top 94%)11460(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27445

Females

11648

F18-39

11648

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27977

Females

11960

F18-39

11960

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27445

Females

11648

F18-39

11648

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28027

Females

12014

F18-39

12014

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27186

Females

11522

F18-39

11522

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27243

Females

11570

F18-39

11570

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26667

Females

11314

F18-39

11314

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27730

Females

11932

F18-39

11932

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

27040

Females

11587

F18-39

11587

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26550

Females

11364

F18-39

11364

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27008

Females

11614

F18-39

11614

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26886

Females

11580

F18-39

11580

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25829

Females

11055

F18-39

11055

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26238

Females

11314

F18-39

11314

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26663

Females

11460

F18-39

11460

Passing Analysis

Category:
Athletes Passed
606
Passed By
1664
Net Change
-1058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26355
5K → 10K31191-1188#26355#27543
10K → 15K9877+21#27543#27522
15K → 20K18232-214#27522#27736
20K → Half277+20#27736#27716
Half → 25K10523+82#27716#27634
25K → 30K1496+143#27634#27491
30K → 20M2553-28#27491#27519
20M → 21M239+14#27519#27505
21M → 35K264+22#27505#27483
35K → 23M2123-2#27483#27485
23M → 24M2516+9#27485#27476
24M → 40K516+45#27476#27431
40K → 25.2M125+7#27431#27424
25.2M → Finish2312+11#27424#27413
TOTALS6061664-1058
📊

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