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BOSTON MARATHON 2025

Carrie Peterson

Bib: 21554•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F50-54)
#0 / 1303
Top 13%
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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:15:54
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:42:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:47:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:07:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:32:37
↑ 181↓ 1480.2%
20M
8:10/mi
2:43:43
↑ 64↓ 500.2%
21M
8:19/mi
2:52:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:57:48
↑ 17↓ 861.7%
23M
8:01/mi
3:07:50
↑ 23↓ 630.6%
24M
7:46/mi
3:15:36
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:22:24
↓ 200.3%
25.2M
8:33/mi
3:25:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:33:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4625:138:0725:13
8:07
-
10K
6.21 mi11:47:4750:148:0525:01
8:03
-0:04
15K
9.32 mi12:13:271:15:548:0925:40
8:16
+0:13
20K
12.43 mi12:39:511:42:188:1426:24
8:30
+0:14
Half
13.11 mi12:45:231:47:508:145:32
8:07
-0:23
25K
15.53 mi13:05:002:07:278:1219:37
8:05
-0:02
30K
18.64 mi13:30:102:32:378:1125:10
8:06
+0:01
20M
20.00 mi13:41:162:43:438:1111:06
8:10
+0:04
21M
21.00 mi13:49:352:52:028:128:19
8:19
+0:09
35K
21.75 mi13:55:212:57:488:115:46
7:42
-0:37
23M
23.00 mi14:05:233:07:508:1010:02
8:01
+0:19
24M
24.00 mi14:13:093:15:368:097:46
7:46
-0:15
40K
24.85 mi14:19:573:22:248:096:48
7:57
+0:11
25.2M
25.20 mi14:22:543:25:218:092:57
8:33
+0:36
Finish
26.22 mi14:30:433:33:108:087:49
7:40
-0:53

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

7:40 /mi

Average Pace

8:08 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:49

86% of race

Time at Steady Pace

29:21

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi11:22:4625:138:0725:13
8:07
#17478
10K
6.21 mi11:47:4750:148:0525:01
8:03
#17155
15K
9.32 mi12:13:271:15:548:0925:40
8:16
#17384
20K
12.43 mi12:39:511:42:188:1426:24
8:30
#17555
Half
13.11 mi12:45:231:47:508:145:32
8:07
#17506
25K
15.53 mi13:05:002:07:278:1219:37
8:05
#16987
30K
18.64 mi13:30:102:32:378:1125:10
8:06
#16134
20M
20.00 mi13:41:162:43:438:1111:06
8:10
#15750
21M
21.00 mi13:49:352:52:028:128:19
8:19
#15343
35K
21.75 mi13:55:212:57:488:115:46
7:42
#15122
23M
23.00 mi14:05:233:07:508:1010:02
8:01
#14787
24M
24.00 mi14:13:093:15:368:097:46
7:46
#14546
40K
24.85 mi14:19:573:22:248:096:48
7:57
#14346
25.2M
25.20 mi14:22:543:25:218:092:57
8:33
#14249
Finish
26.22 mi14:30:433:33:108:087:49
7:40
#14078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi174786013601317799(Top 63%)6200(Top 51%)6200(Top 476%)
10K6.21 mi3.10 mi17155+3235815+1985815+19816859(Top 59%)5618(Top 46%)5618(Top 431%)
15K9.32 mi3.11 mi17384-2295940-1255940-12517799(Top 63%)6200(Top 51%)6200(Top 476%)
20K12.43 mi3.11 mi17555-1716067-1276067-12718223(Top 64%)6458(Top 53%)6458(Top 496%)
Half13.11 mi0.68 mi17506+496039+286039+2816682(Top 59%)5557(Top 45%)5557(Top 426%)
25K15.53 mi2.42 mi16987+5195752+2875752+28714576(Top 51%)4520(Top 37%)4520(Top 347%)
30K18.64 mi3.11 mi16134+8535303+4495303+44912112(Top 43%)3339(Top 27%)3339(Top 256%)
20M20.00 mi1.36 mi15750+3845122+1815122+18111629(Top 41%)3251(Top 27%)3251(Top 250%)
21M21.00 mi1.00 mi15343+4074916+2064916+2069375(Top 33%)2334(Top 19%)2334(Top 179%)
35K21.75 mi0.75 mi15122+2214808+1084808+10810202(Top 36%)2720(Top 22%)2720(Top 209%)
23M23.00 mi1.25 mi14787+3354646+1624646+16210162(Top 36%)2829(Top 23%)2829(Top 217%)
24M24.00 mi1.00 mi14546+2414537+1094537+1099622(Top 34%)2628(Top 21%)2628(Top 202%)
40K24.85 mi0.85 mi14346+2004466+714466+719901(Top 35%)2881(Top 24%)2881(Top 221%)
25.2M25.20 mi0.35 mi14249+974420+464420+469222(Top 32%)2659(Top 22%)2659(Top 204%)
Finish26.22 mi1.02 mi14078+1714356+644356+6410508(Top 37%)3223(Top 26%)3223(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17799

Females

6200

F50-54

6200

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16859

Females

5618

F50-54

5618

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17799

Females

6200

F50-54

6200

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18223

Females

6458

F50-54

6458

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16682

Females

5557

F50-54

5557

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14576

Females

4520

F50-54

4520

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12112

Females

3339

F50-54

3339

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11629

Females

3251

F50-54

3251

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9375

Females

2334

F50-54

2334

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10202

Females

2720

F50-54

2720

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10162

Females

2829

F50-54

2829

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9622

Females

2628

F50-54

2628

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9901

Females

2881

F50-54

2881

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9222

Females

2659

F50-54

2659

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10508

Females

3223

F50-54

3223

Passing Analysis

Category:
Athletes Passed
4264
Passed By
864
Net Change
+3400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17478
5K → 10K475152+323#17478#17155
10K → 15K129358-229#17155#17384
15K → 20K138309-171#17384#17555
20K → Half589+49#17555#17506
Half → 25K5256+519#17506#16987
25K → 30K8541+853#16987#16134
30K → 20M3906+384#16134#15750
20M → 21M4070+407#15750#15343
21M → 35K2232+221#15343#15122
35K → 23M3394+335#15122#14787
23M → 24M2432+241#14787#14546
24M → 40K2055+200#14546#14346
40K → 25.2M992+97#14346#14249
25.2M → Finish1798+171#14249#14078
TOTALS4264864+3400
📊

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