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BOSTON MARATHON 2025

Amy Block

Bib: 16418•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 48%
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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:35:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:41:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:59:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:25:02
↑ 181↓ 1480.2%
20M
8:20/mi
2:36:21
↑ 64↓ 500.2%
21M
9:04/mi
2:45:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:51:32
↑ 17↓ 861.7%
23M
8:20/mi
3:01:58
↑ 23↓ 630.6%
24M
8:08/mi
3:10:06
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:17:08
↓ 200.3%
25.2M
9:05/mi
3:20:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:28:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1823:577:4323:57
7:43
-
10K
6.21 mi11:21:1847:577:4324:00
7:43
0:00
15K
9.32 mi11:45:101:11:497:4223:52
7:41
-0:02
20K
12.43 mi12:09:121:35:517:4324:02
7:44
+0:03
Half
13.11 mi12:14:271:41:067:435:15
7:42
-0:02
25K
15.53 mi12:33:191:59:587:4318:52
7:47
+0:05
30K
18.64 mi12:58:232:25:027:4725:04
8:04
+0:17
20M
20.00 mi13:09:422:36:217:4911:19
8:20
+0:16
21M
21.00 mi13:18:462:45:257:539:04
9:04
+0:44
35K
21.75 mi13:24:532:51:327:536:07
8:11
-0:53
23M
23.00 mi13:35:193:01:587:5510:26
8:20
+0:09
24M
24.00 mi13:43:273:10:067:558:08
8:08
-0:12
40K
24.85 mi13:50:293:17:087:567:02
8:14
+0:06
25.2M
25.20 mi13:53:373:20:167:573:08
9:05
+0:51
Finish
26.22 mi14:01:313:28:107:577:54
7:45
-1:20

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

7:41 /mi

Average Pace

7:57 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:58

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

12:12

6% of race

Average Pace: 7:56 /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 mi10:57:1823:577:4323:57
7:43
#14057
10K
6.21 mi11:21:1847:577:4324:00
7:43
#14050
15K
9.32 mi11:45:101:11:497:4223:52
7:41
#13795
20K
12.43 mi12:09:121:35:517:4324:02
7:44
#13480
Half
13.11 mi12:14:271:41:067:435:15
7:42
#13468
25K
15.53 mi12:33:191:59:587:4318:52
7:47
#13215
30K
18.64 mi12:58:232:25:027:4725:04
8:04
#12907
20M
20.00 mi13:09:422:36:217:4911:19
8:20
#12888
21M
21.00 mi13:18:462:45:257:539:04
9:04
#12914
35K
21.75 mi13:24:532:51:327:536:07
8:11
#12924
23M
23.00 mi13:35:193:01:587:5510:26
8:20
#12847
24M
24.00 mi13:43:273:10:067:558:08
8:08
#12806
40K
24.85 mi13:50:293:17:087:567:02
8:14
#12747
25.2M
25.20 mi13:53:373:20:167:573:08
9:05
#12737
Finish
26.22 mi14:01:313:28:107:577:54
7:45
#12641
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140573943394313335(Top 47%)3645(Top 30%)3645(Top 67%)
10K6.21 mi3.10 mi14050+73969-263969-2614130(Top 50%)4034(Top 33%)4034(Top 74%)
15K9.32 mi3.11 mi13795+2553847+1223847+12213335(Top 47%)3645(Top 30%)3645(Top 67%)
20K12.43 mi3.11 mi13480+3153715+1323715+13212732(Top 45%)3406(Top 28%)3406(Top 62%)
Half13.11 mi0.68 mi13468+123712+33712+313403(Top 47%)3714(Top 30%)3714(Top 68%)
25K15.53 mi2.42 mi13215+2533606+1063606+10612212(Top 43%)3233(Top 26%)3233(Top 59%)
30K18.64 mi3.11 mi12907+3083492+1143492+11411887(Top 42%)3240(Top 26%)3240(Top 59%)
20M20.00 mi1.36 mi12888+193522-303522-3012679(Top 45%)3789(Top 31%)3789(Top 69%)
21M21.00 mi1.00 mi12914-263563-413563-4113905(Top 49%)4574(Top 37%)4574(Top 84%)
35K21.75 mi0.75 mi12924-103585-223585-2213474(Top 47%)4405(Top 36%)4405(Top 81%)
23M23.00 mi1.25 mi12847+773581+43581+412256(Top 43%)3881(Top 32%)3881(Top 71%)
24M24.00 mi1.00 mi12806+413593-123593-1212163(Top 43%)3879(Top 32%)3879(Top 71%)
40K24.85 mi0.85 mi12747+593588+53588+511739(Top 41%)3774(Top 31%)3774(Top 69%)
25.2M25.20 mi0.35 mi12737+103592-43592-412327(Top 43%)4126(Top 34%)4126(Top 75%)
Finish26.22 mi1.02 mi12641+963576+163576+1611126(Top 39%)3524(Top 29%)3524(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13335

Females

3645

F18-39

3645

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14130

Females

4034

F18-39

4034

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13335

Females

3645

F18-39

3645

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12732

Females

3406

F18-39

3406

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13403

Females

3714

F18-39

3714

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12212

Females

3233

F18-39

3233

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11887

Females

3240

F18-39

3240

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12679

Females

3789

F18-39

3789

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13905

Females

4574

F18-39

4574

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13474

Females

4405

F18-39

4405

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12256

Females

3881

F18-39

3881

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12163

Females

3879

F18-39

3879

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11739

Females

3774

F18-39

3774

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12327

Females

4126

F18-39

4126

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11126

Females

3524

F18-39

3524

Passing Analysis

Category:
Athletes Passed
2491
Passed By
1075
Net Change
+1416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14057
5K → 10K263256+7#14057#14050
10K → 15K33681+255#14050#13795
15K → 20K37055+315#13795#13480
20K → Half4230+12#13480#13468
Half → 25K29845+253#13468#13215
25K → 30K39284+308#13215#12907
30K → 20M136117+19#12907#12888
20M → 21M95121-26#12888#12914
21M → 35K4959-10#12914#12924
35K → 23M14366+77#12924#12847
23M → 24M10160+41#12847#12806
24M → 40K10243+59#12806#12747
40K → 25.2M3626+10#12747#12737
25.2M → Finish12832+96#12737#12641
TOTALS24911075+1416
📊

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