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BOSTON MARATHON 2025

Donna Klein

Bib: 22319•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F45-49)
#0 / 1813
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
8:14/mi
25:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:16:47
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:48:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:09:14
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:38:19
↑ 181↓ 1480.2%
20M
9:31/mi
2:51:15
↑ 64↓ 500.2%
21M
10:34/mi
3:01:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:08:45
↑ 17↓ 861.7%
23M
9:40/mi
3:20:51
↑ 23↓ 630.6%
24M
9:27/mi
3:30:18
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:38:28
↓ 200.3%
25.2M
11:01/mi
3:42:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
3:52:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:24
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:03:37
Pace9:26 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0225:348:1425:34
8:14
-
10K
6.21 mi11:48:3051:028:1325:28
8:12
-0:02
15K
9.32 mi12:14:151:16:478:1425:45
8:17
+0:05
20K
12.43 mi12:40:091:42:418:1625:54
8:20
+0:03
Half
13.11 mi12:45:521:48:248:165:43
8:23
+0:03
25K
15.53 mi13:06:422:09:148:1920:50
8:36
+0:13
30K
18.64 mi13:35:472:38:198:3029:05
9:22
+0:46
20M
20.00 mi13:48:432:51:158:3412:56
9:31
+0:09
21M
21.00 mi13:59:173:01:498:3910:34
10:34
+1:03
35K
21.75 mi14:06:133:08:458:416:56
9:16
-1:18
23M
23.00 mi14:18:193:20:518:4412:06
9:40
+0:24
24M
24.00 mi14:27:463:30:188:469:27
9:27
-0:13
40K
24.85 mi14:35:563:38:288:478:10
9:33
+0:06
25.2M
25.20 mi14:39:443:42:168:493:48
11:01
+1:28
Finish
26.22 mi14:49:293:52:018:519:45
9:34
-1:27

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

8:12 /mi

Average Pace

8:51 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:14

56% of race

Time at Steady Pace

1:28:25

38% of race

Time at Slower Pace

14:22

6% of race

Average Pace: 8:51 /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 mi11:23:0225:348:1425:34
8:14
#18300
10K
6.21 mi11:48:3051:028:1325:28
8:12
#18072
15K
9.32 mi12:14:151:16:478:1425:45
8:17
#18031
20K
12.43 mi12:40:091:42:418:1625:54
8:20
#17775
Half
13.11 mi12:45:521:48:248:165:43
8:23
#17800
25K
15.53 mi13:06:422:09:148:1920:50
8:36
#17710
30K
18.64 mi13:35:472:38:198:3029:05
9:22
#18064
20M
20.00 mi13:48:432:51:158:3412:56
9:31
#18173
21M
21.00 mi13:59:173:01:498:3910:34
10:34
#18352
35K
21.75 mi14:06:133:08:458:416:56
9:16
#18407
23M
23.00 mi14:18:193:20:518:4412:06
9:40
#18472
24M
24.00 mi14:27:463:30:188:469:27
9:27
#18544
40K
24.85 mi14:35:563:38:288:478:10
9:33
#18539
25.2M
25.20 mi14:39:443:42:168:493:48
11:01
#18608
Finish
26.22 mi14:49:293:52:018:519:45
9:34
#18741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi183006528652817983(Top 63%)6310(Top 52%)6310(Top 348%)
10K6.21 mi3.10 mi18072+2286375+1536375+15317885(Top 63%)6233(Top 51%)6233(Top 344%)
15K9.32 mi3.11 mi18031+416353+226353+2217983(Top 63%)6310(Top 52%)6310(Top 348%)
20K12.43 mi3.11 mi17775+2566209+1446209+14417155(Top 60%)5861(Top 48%)5861(Top 323%)
Half13.11 mi0.68 mi17800-256234-256234-2518537(Top 65%)6651(Top 54%)6651(Top 367%)
25K15.53 mi2.42 mi17710+906183+516183+5117784(Top 63%)6304(Top 52%)6304(Top 348%)
30K18.64 mi3.11 mi18064-3546433-2506433-25019392(Top 68%)7331(Top 60%)7331(Top 404%)
20M20.00 mi1.36 mi18173-1096518-856518-8519263(Top 68%)7403(Top 61%)7403(Top 408%)
21M21.00 mi1.00 mi18352-1796635-1176635-11720228(Top 71%)8033(Top 66%)8033(Top 443%)
35K21.75 mi0.75 mi18407-556684-496684-4919461(Top 69%)7693(Top 63%)7693(Top 424%)
23M23.00 mi1.25 mi18472-656746-626746-6219333(Top 68%)7692(Top 63%)7692(Top 424%)
24M24.00 mi1.00 mi18544-726821-756821-7519440(Top 68%)7790(Top 64%)7790(Top 430%)
40K24.85 mi0.85 mi18539+56845-246845-2418923(Top 67%)7593(Top 62%)7593(Top 419%)
25.2M25.20 mi0.35 mi18608-696896-516896-5120722(Top 73%)8506(Top 70%)8506(Top 469%)
Finish26.22 mi1.02 mi18741-1336984-886984-8821437(Top 75%)8875(Top 73%)8875(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17983

Females

6310

F45-49

6310

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17885

Females

6233

F45-49

6233

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17983

Females

6310

F45-49

6310

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17155

Females

5861

F45-49

5861

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18537

Females

6651

F45-49

6651

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17784

Females

6304

F45-49

6304

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19392

Females

7331

F45-49

7331

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19263

Females

7403

F45-49

7403

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20228

Females

8033

F45-49

8033

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19461

Females

7693

F45-49

7693

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19333

Females

7692

F45-49

7692

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19440

Females

7790

F45-49

7790

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18923

Females

7593

F45-49

7593

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20722

Females

8506

F45-49

8506

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21437

Females

8875

F45-49

8875

Passing Analysis

Category:
Athletes Passed
1715
Passed By
2156
Net Change
-441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18300
5K → 10K393165+228#18300#18072
10K → 15K212171+41#18072#18031
15K → 20K32266+256#18031#17775
20K → Half2853-25#17775#17800
Half → 25K205115+90#17800#17710
25K → 30K126480-354#17710#18064
30K → 20M87196-109#18064#18173
20M → 21M43222-179#18173#18352
21M → 35K3994-55#18352#18407
35K → 23M89154-65#18407#18472
23M → 24M53125-72#18472#18544
24M → 40K7873+5#18544#18539
40K → 25.2M1483-69#18539#18608
25.2M → Finish26159-133#18608#18741
TOTALS17152156-441
📊

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