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BOSTON MARATHON 2025

Amy Erps

Bib: 19812•F

CA

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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:47
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:45:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:51:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:12:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:40:30
↑ 181↓ 1480.2%
20M
9:09/mi
2:52:56
↑ 64↓ 500.2%
21M
9:41/mi
3:02:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:09:12
↑ 17↓ 861.7%
23M
8:57/mi
3:20:24
↑ 23↓ 630.6%
24M
8:41/mi
3:29:05
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:36:45
↓ 200.3%
25.2M
9:25/mi
3:40:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:48:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:40
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:56:45
Pace8:54 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5826:188:2826:18
8:28
-
10K
6.21 mi11:44:1552:358:2826:17
8:28
0:00
15K
9.32 mi12:10:271:18:478:2726:12
8:26
-0:02
20K
12.43 mi12:37:381:45:588:3227:11
8:45
+0:19
Half
13.11 mi12:43:201:51:408:315:42
8:21
-0:24
25K
15.53 mi13:04:132:12:338:3220:53
8:37
+0:16
30K
18.64 mi13:32:102:40:308:3727:57
9:00
+0:23
20M
20.00 mi13:44:362:52:568:3912:26
9:09
+0:09
21M
21.00 mi13:54:173:02:378:429:41
9:41
+0:32
35K
21.75 mi14:00:523:09:128:426:35
8:48
-0:53
23M
23.00 mi14:12:043:20:248:4311:12
8:57
+0:09
24M
24.00 mi14:20:453:29:058:438:41
8:41
-0:16
40K
24.85 mi14:28:253:36:458:437:40
8:58
+0:17
25.2M
25.20 mi14:31:403:40:008:443:15
9:25
+0:27
Finish
26.22 mi14:40:053:48:258:438:25
8:16
-1:09

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

8:16 /mi

Average Pace

8:43 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:03

89% of race

Time at Steady Pace

25:22

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:17:5826:188:2826:18
8:28
#19683
10K
6.21 mi11:44:1552:358:2826:17
8:28
#19612
15K
9.32 mi12:10:271:18:478:2726:12
8:26
#19367
20K
12.43 mi12:37:381:45:588:3227:11
8:45
#19435
Half
13.11 mi12:43:201:51:408:315:42
8:21
#19384
25K
15.53 mi13:04:132:12:338:3220:53
8:37
#19115
30K
18.64 mi13:32:102:40:308:3727:57
9:00
#18814
20M
20.00 mi13:44:362:52:568:3912:26
9:09
#18699
21M
21.00 mi13:54:173:02:378:429:41
9:41
#18595
35K
21.75 mi14:00:523:09:128:426:35
8:48
#18545
23M
23.00 mi14:12:043:20:248:4311:12
8:57
#18356
24M
24.00 mi14:20:453:29:058:438:41
8:41
#18224
40K
24.85 mi14:28:253:36:458:437:40
8:58
#18141
25.2M
25.20 mi14:31:403:40:008:443:15
9:25
#18080
Finish
26.22 mi14:40:053:48:258:438:25
8:16
#17940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi196837313731318923(Top 67%)6855(Top 56%)6855(Top 125%)
10K6.21 mi3.10 mi19612+717249+647249+6419573(Top 69%)7215(Top 59%)7215(Top 132%)
15K9.32 mi3.11 mi19367+2457103+1467103+14618923(Top 67%)6855(Top 56%)6855(Top 125%)
20K12.43 mi3.11 mi19435-687147-447147-4419683(Top 69%)7303(Top 60%)7303(Top 134%)
Half13.11 mi0.68 mi19384+517124+237124+2318358(Top 65%)6535(Top 53%)6535(Top 119%)
25K15.53 mi2.42 mi19115+2696979+1456979+14517889(Top 63%)6367(Top 52%)6367(Top 116%)
30K18.64 mi3.11 mi18814+3016836+1436836+14317680(Top 62%)6405(Top 52%)6405(Top 117%)
20M20.00 mi1.36 mi18699+1156801+356801+3517546(Top 62%)6443(Top 53%)6443(Top 118%)
21M21.00 mi1.00 mi18595+1046772+296772+2916976(Top 60%)6247(Top 51%)6247(Top 114%)
35K21.75 mi0.75 mi18545+506762+106762+1017273(Top 61%)6508(Top 53%)6508(Top 119%)
23M23.00 mi1.25 mi18356+1896679+836679+8315980(Top 56%)5880(Top 48%)5880(Top 108%)
24M24.00 mi1.00 mi18224+1326642+376642+3715673(Top 55%)5739(Top 47%)5739(Top 105%)
40K24.85 mi0.85 mi18141+836622+206622+2016145(Top 57%)6126(Top 50%)6126(Top 112%)
25.2M25.20 mi0.35 mi18080+616599+236599+2314275(Top 50%)5195(Top 42%)5195(Top 95%)
Finish26.22 mi1.02 mi17940+1406537+626537+6214707(Top 52%)5328(Top 44%)5328(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18923

Females

6855

F18-39

6855

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19573

Females

7215

F18-39

7215

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18923

Females

6855

F18-39

6855

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19683

Females

7303

F18-39

7303

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18358

Females

6535

F18-39

6535

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17889

Females

6367

F18-39

6367

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17680

Females

6405

F18-39

6405

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17546

Females

6443

F18-39

6443

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16976

Females

6247

F18-39

6247

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17273

Females

6508

F18-39

6508

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15980

Females

5880

F18-39

5880

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15673

Females

5739

F18-39

5739

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16145

Females

6126

F18-39

6126

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14275

Females

5195

F18-39

5195

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14707

Females

5328

F18-39

5328

Passing Analysis

Category:
Athletes Passed
2637
Passed By
894
Net Change
+1743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19683
5K → 10K290219+71#19683#19612
10K → 15K32984+245#19612#19367
15K → 20K182250-68#19367#19435
20K → Half6514+51#19435#19384
Half → 25K31344+269#19384#19115
25K → 30K38079+301#19115#18814
30K → 20M15742+115#18814#18699
20M → 21M15955+104#18699#18595
21M → 35K7828+50#18595#18545
35K → 23M20920+189#18545#18356
23M → 24M14614+132#18356#18224
24M → 40K11027+83#18224#18141
40K → 25.2M665+61#18141#18080
25.2M → Finish15313+140#18080#17940
TOTALS2637894+1743
📊

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