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BOSTON MARATHON 2025

Emma Astrike-Davis

Bib: 10408•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 3%
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
6:38/mi
20:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
41:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:02:32
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:23:30
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:27:59
↑ 19↓ 370.5%
25K· 15.53 mi
6:33/mi
1:43:53
↑ 66↓ 880.2%
30K· 18.64 mi
6:44/mi
2:04:47
↑ 181↓ 1480.2%
20M
6:44/mi
2:13:56
↑ 64↓ 500.2%
21M
7:26/mi
2:21:22
↑ 106↓ 241.6%
35K· 21.75 mi
6:08/mi
2:25:57
↑ 17↓ 861.7%
23M
6:39/mi
2:34:17
↑ 23↓ 630.6%
24M
6:26/mi
2:40:43
↓ 821.3%
40K· 24.85 mi
6:40/mi
2:46:25
↓ 200.3%
25.2M
7:18/mi
2:48:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
2:55:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:59
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:43
Pace6:41 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4220:386:3820:38
6:38
-
10K
6.21 mi11:07:4141:376:4220:59
6:45
+0:07
15K
9.32 mi11:28:361:02:326:4320:55
6:44
-0:01
20K
12.43 mi11:49:341:23:306:4320:58
6:45
+0:01
Half
13.11 mi11:54:031:27:596:434:29
6:34
-0:11
25K
15.53 mi12:09:571:43:536:4115:54
6:33
-0:01
30K
18.64 mi12:30:512:04:476:4220:54
6:44
+0:11
20M
20.00 mi12:40:002:13:566:429:09
6:44
0:00
21M
21.00 mi12:47:262:21:226:447:26
7:26
+0:42
35K
21.75 mi12:52:012:25:576:434:35
6:08
-1:18
23M
23.00 mi13:00:212:34:176:428:20
6:39
+0:31
24M
24.00 mi13:06:472:40:436:426:26
6:26
-0:13
40K
24.85 mi13:12:292:46:256:425:42
6:40
+0:14
25.2M
25.20 mi13:15:002:48:566:422:31
7:18
+0:38
Finish
26.22 mi13:21:462:55:426:426:46
6:38
-0:40

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

6:08 /mi

Average Pace

6:42 /mi

Slowest Pace

7:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:01

6% of race

Time at Steady Pace

2:34:44

88% of race

Time at Slower Pace

9:57

6% of race

Average Pace: 6:42 /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 mi10:46:4220:386:3820:38
6:38
#4964
10K
6.21 mi11:07:4141:376:4220:59
6:45
#5349
15K
9.32 mi11:28:361:02:326:4320:55
6:44
#5343
20K
12.43 mi11:49:341:23:306:4320:58
6:45
#5159
Half
13.11 mi11:54:031:27:596:434:29
6:34
#5103
25K
15.53 mi12:09:571:43:536:4115:54
6:33
#4692
30K
18.64 mi12:30:512:04:476:4220:54
6:44
#4272
20M
20.00 mi12:40:002:13:566:429:09
6:44
#4090
21M
21.00 mi12:47:262:21:226:447:26
7:26
#4089
35K
21.75 mi12:52:012:25:576:434:35
6:08
#3895
23M
23.00 mi13:00:212:34:176:428:20
6:39
#3729
24M
24.00 mi13:06:472:40:436:426:26
6:26
#3581
40K
24.85 mi13:12:292:46:256:425:42
6:40
#3480
25.2M
25.20 mi13:15:002:48:566:422:31
7:18
#3446
Finish
26.22 mi13:21:462:55:426:426:46
6:38
#3410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49643123125400(Top 19%)412(Top 3%)412(Top 8%)
10K6.21 mi3.10 mi5349-385380-68380-685908(Top 21%)488(Top 4%)488(Top 9%)
15K9.32 mi3.11 mi5343+6377+3377+35400(Top 19%)412(Top 3%)412(Top 8%)
20K12.43 mi3.11 mi5159+184365+12365+124853(Top 17%)351(Top 3%)351(Top 6%)
Half13.11 mi0.68 mi5103+56357+8357+84254(Top 15%)256(Top 2%)256(Top 5%)
25K15.53 mi2.42 mi4692+411310+47310+473216(Top 11%)164(Top 1%)164(Top 3%)
30K18.64 mi3.11 mi4272+420264+46264+463022(Top 11%)172(Top 1%)172(Top 3%)
20M20.00 mi1.36 mi4090+182251+13251+132645(Top 9%)152(Top 1%)152(Top 3%)
21M21.00 mi1.00 mi4089+1256-5256-54302(Top 15%)431(Top 4%)431(Top 8%)
35K21.75 mi0.75 mi3895+194237+19237+191044(Top 4%)56(Top 0.5%)56(Top 1%)
23M23.00 mi1.25 mi3729+166224+13224+132085(Top 7%)128(Top 1%)128(Top 2%)
24M24.00 mi1.00 mi3581+148215+9215+91821(Top 6%)120(Top 1.0%)120(Top 2%)
40K24.85 mi0.85 mi3480+101210+5210+52268(Top 8%)180(Top 1%)180(Top 3%)
25.2M25.20 mi0.35 mi3446+34211-1211-12606(Top 9%)268(Top 2%)268(Top 5%)
Finish26.22 mi1.02 mi3410+36209+2209+23590(Top 13%)444(Top 4%)444(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5400

Females

412

F18-39

412

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5908

Females

488

F18-39

488

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5400

Females

412

F18-39

412

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4853

Females

351

F18-39

351

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4254

Females

256

F18-39

256

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3216

Females

164

F18-39

164

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3022

Females

172

F18-39

172

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2645

Females

152

F18-39

152

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4302

Females

431

F18-39

431

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1044

Females

56

F18-39

56

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

2085

Females

128

F18-39

128

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1821

Females

120

F18-39

120

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2268

Females

180

F18-39

180

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2606

Females

268

F18-39

268

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3590

Females

444

F18-39

444

Passing Analysis

Category:
Athletes Passed
2298
Passed By
744
Net Change
+1554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4964
5K → 10K67452-385#4964#5349
10K → 15K131125+6#5349#5343
15K → 20K22541+184#5343#5159
20K → Half615+56#5159#5103
Half → 25K4132+411#5103#4692
25K → 30K4233+420#4692#4272
30K → 20M1875+182#4272#4090
20M → 21M5958+1#4090#4089
21M → 35K1940+194#4089#3895
35K → 23M1704+166#3895#3729
23M → 24M1513+148#3729#3581
24M → 40K11211+101#3581#3480
40K → 25.2M395+34#3480#3446
25.2M → Finish6630+36#3446#3410
TOTALS2298744+1554
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing