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BOSTON MARATHON 2025

Emma Devine

Bib: 31326•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

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
9:56/mi
30:51
↑ 97↓ 3451.5%
10K· 6.21 mi
9:58/mi
1:01:50
↑ 79↓ 1380.4%
15K· 9.32 mi
10:03/mi
1:33:03
↑ 67↓ 78
20K· 12.43 mi
10:11/mi
2:04:42
↑ 106↓ 860.1%
Half· 13.11 mi
12:23/mi
2:13:09
↑ 19↓ 370.5%
25K· 15.53 mi
10:41/mi
2:39:04
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
3:12:17
↑ 181↓ 1480.2%
20M
10:07/mi
3:26:02
↑ 64↓ 500.2%
21M
11:39/mi
3:37:41
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
3:46:41
↑ 17↓ 861.7%
23M
10:34/mi
3:59:55
↑ 23↓ 630.6%
24M
10:16/mi
4:10:11
↓ 821.3%
40K· 24.85 mi
11:30/mi
4:20:01
↓ 200.3%
25.2M
12:28/mi
4:24:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
4:34:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:09
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:20:52
Pace10:45 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4330:519:5630:51
9:56
-
10K
6.21 mi12:23:421:01:509:5730:59
9:58
+0:02
15K
9.32 mi12:54:551:33:039:5931:13
10:03
+0:05
20K
12.43 mi13:26:342:04:4210:0231:39
10:11
+0:08
Half
13.11 mi13:35:012:13:0910:098:27
12:23
+2:12
25K
15.53 mi14:00:562:39:0410:1425:55
10:41
-1:42
30K
18.64 mi14:34:093:12:1710:1933:13
10:41
0:00
20M
20.00 mi14:47:543:26:0210:1813:45
10:07
-0:34
21M
21.00 mi14:59:333:37:4110:2211:39
11:39
+1:32
35K
21.75 mi15:08:333:46:4110:259:00
12:02
+0:23
23M
23.00 mi15:21:473:59:5510:2613:14
10:34
-1:28
24M
24.00 mi15:32:034:10:1110:2510:16
10:16
-0:18
40K
24.85 mi15:41:534:20:0110:289:50
11:30
+1:14
25.2M
25.20 mi15:46:114:24:1910:294:18
12:28
+0:58
Finish
26.22 mi15:55:534:34:0110:289:42
9:31
-2:57

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

9:31 /mi

Average Pace

10:28 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:45

37% of race

Time at Steady Pace

2:08:02

47% of race

Time at Slower Pace

43:14

16% of race

Average Pace: 10:27 /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 mi11:52:4330:519:5630:51
9:56
#25428
10K
6.21 mi12:23:421:01:509:5730:59
9:58
#25314
15K
9.32 mi12:54:551:33:039:5931:13
10:03
#25240
20K
12.43 mi13:26:342:04:4210:0231:39
10:11
#25097
Half
13.11 mi13:35:012:13:0910:098:27
12:23
#25331
25K
15.53 mi14:00:562:39:0410:1425:55
10:41
#25204
30K
18.64 mi14:34:093:12:1710:1933:13
10:41
#24900
20M
20.00 mi14:47:543:26:0210:1813:45
10:07
#24683
21M
21.00 mi14:59:333:37:4110:2211:39
11:39
#24604
35K
21.75 mi15:08:333:46:4110:259:00
12:02
#24675
23M
23.00 mi15:21:473:59:5510:2613:14
10:34
#24549
24M
24.00 mi15:32:034:10:1110:2510:16
10:16
#24473
40K
24.85 mi15:41:534:20:0110:289:50
11:30
#24465
25.2M
25.20 mi15:46:114:24:1910:294:18
12:28
#24463
Finish
26.22 mi15:55:534:34:0110:289:42
9:31
#24374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25428104381043825089(Top 88%)10267(Top 84%)10267(Top 188%)
10K6.21 mi3.10 mi25314+11410404+3410404+3425257(Top 89%)10377(Top 85%)10377(Top 190%)
15K9.32 mi3.11 mi25240+7410359+4510359+4525089(Top 88%)10267(Top 84%)10267(Top 188%)
20K12.43 mi3.11 mi25097+14310286+7310286+7324615(Top 87%)10058(Top 82%)10058(Top 184%)
Half13.11 mi0.68 mi25331-23410424-13810424-13827709(Top 98%)11827(Top 97%)11827(Top 216%)
25K15.53 mi2.42 mi25204+12710364+6010364+6024705(Top 87%)10133(Top 83%)10133(Top 185%)
30K18.64 mi3.11 mi24900+30410224+14010224+14023376(Top 82%)9542(Top 78%)9542(Top 174%)
20M20.00 mi1.36 mi24683+21710121+10310121+10321364(Top 75%)8563(Top 70%)8563(Top 157%)
21M21.00 mi1.00 mi24604+7910089+3210089+3222935(Top 81%)9467(Top 77%)9467(Top 173%)
35K21.75 mi0.75 mi24675-7110135-4610135-4625917(Top 91%)11057(Top 90%)11057(Top 202%)
23M23.00 mi1.25 mi24549+12610085+5010085+5022198(Top 78%)9173(Top 75%)9173(Top 168%)
24M24.00 mi1.00 mi24473+7610053+3210053+3222154(Top 78%)9221(Top 75%)9221(Top 169%)
40K24.85 mi0.85 mi24465+810062-910062-924148(Top 85%)10240(Top 84%)10240(Top 187%)
25.2M25.20 mi0.35 mi24463+210064-210064-224160(Top 85%)10252(Top 84%)10252(Top 187%)
Finish26.22 mi1.02 mi24374+8910035+2910035+2921264(Top 75%)8802(Top 72%)8802(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25089

Females

10267

F18-39

10267

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25257

Females

10377

F18-39

10377

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25089

Females

10267

F18-39

10267

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24615

Females

10058

F18-39

10058

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27709

Females

11827

F18-39

11827

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24705

Females

10133

F18-39

10133

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23376

Females

9542

F18-39

9542

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21364

Females

8563

F18-39

8563

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22935

Females

9467

F18-39

9467

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25917

Females

11057

F18-39

11057

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22198

Females

9173

F18-39

9173

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22154

Females

9221

F18-39

9221

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24148

Females

10240

F18-39

10240

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24160

Females

10252

F18-39

10252

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21264

Females

8802

F18-39

8802

Passing Analysis

Category:
Athletes Passed
1813
Passed By
759
Net Change
+1054
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25428
5K → 10K246132+114#25428#25314
10K → 15K174100+74#25314#25240
15K → 20K20865+143#25240#25097
20K → Half0234-234#25097#25331
Half → 25K16942+127#25331#25204
25K → 30K31511+304#25204#24900
30K → 20M2181+217#24900#24683
20M → 21M9819+79#24683#24604
21M → 35K1687-71#24604#24675
35K → 23M1348+126#24675#24549
23M → 24M8610+76#24549#24473
24M → 40K3830+8#24473#24465
40K → 25.2M1614+2#24465#24463
25.2M → Finish956+89#24463#24374
TOTALS1813759+1054
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing