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BOSTON MARATHON 2025

Kristen Danielson

Bib: 24226•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #20179
Start → 5K
8:33/mi
26:33 split
10K· 6.21 mi
53:05
Rank: #20096 (+83)
5K → 10K
8:32/mi
26:32 split
15K· 9.32 mi
1:19:36
Rank: #19923 (+173)
10K → 15K
8:32/mi
26:31 split
20K· 12.43 mi
1:46:23
Rank: #19656 (+267)
15K → 20K
8:37/mi
26:47 split
Half· 13.11 mi
1:52:13
Rank: #19639 (+17)
20K → Half
8:33/mi
5:50 split
25K· 15.53 mi
2:15:02
Rank: #20026 (-387)
Half → 25K
9:25/mi
22:49 split
30K· 18.64 mi
2:45:18
Rank: #20224 (-198)
25K → 30K
9:45/mi
30:16 split
20M
2:58:48
Rank: #20270 (-46)
30K → 20M
9:56/mi
13:30 split
21M
3:11:01
Rank: #20629 (-359)
20M → 21M
12:13/mi
12:13 split
35K· 21.75 mi
3:17:47
Rank: #20551 (+78)
21M → 35K
9:03/mi
6:46 split
23M
3:29:11
Rank: #20354 (+197)
35K → 23M
9:06/mi
11:24 split
24M
3:38:37
Rank: #20335 (+19)
23M → 24M
9:26/mi
9:26 split
40K· 24.85 mi
3:46:26
Rank: #20224 (+111)
24M → 40K
9:09/mi
7:49 split
25.2M
3:49:57
Rank: #20182 (+42)
40K → 25.2M
10:12/mi
3:31 split
Finish· 26.22 mi
3:58:29
Rank: #20053 (+129)
25.2M → Finish
8:22/mi
8:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:13
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:06:16
Pace9:38 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0826:338:3326:33
8:33
-
10K
6.21 mi11:51:4053:058:3326:32
8:32
-0:01
15K
9.32 mi12:18:111:19:368:3226:31
8:32
0:00
20K
12.43 mi12:44:581:46:238:3426:47
8:37
+0:05
Half
13.11 mi12:50:481:52:138:345:50
8:33
-0:04
25K
15.53 mi13:13:372:15:028:4222:49
9:25
+0:52
30K
18.64 mi13:43:532:45:188:5230:16
9:45
+0:20
20M
20.00 mi13:57:232:58:488:5613:30
9:56
+0:11
21M
21.00 mi14:09:363:11:019:0612:13
12:13
+2:17
35K
21.75 mi14:16:223:17:479:066:46
9:03
-3:10
23M
23.00 mi14:27:463:29:119:0611:24
9:06
+0:03
24M
24.00 mi14:37:123:38:379:079:26
9:26
+0:20
40K
24.85 mi14:45:013:46:269:077:49
9:09
-0:17
25.2M
25.20 mi14:48:323:49:579:083:31
10:12
+1:03
Finish
26.22 mi14:57:043:58:299:068:32
8:22
-1:50

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

8:22 /mi

Average Pace

9:06 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:45

51% of race

Time at Steady Pace

58:14

24% of race

Time at Slower Pace

59:30

25% of race

Average Pace: 9:06 /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 mi11:25:0826:338:3326:33
8:33
#20179
10K
6.21 mi11:51:4053:058:3326:32
8:32
#20096
15K
9.32 mi12:18:111:19:368:3226:31
8:32
#19923
20K
12.43 mi12:44:581:46:238:3426:47
8:37
#19656
Half
13.11 mi12:50:481:52:138:345:50
8:33
#19639
25K
15.53 mi13:13:372:15:028:4222:49
9:25
#20026
30K
18.64 mi13:43:532:45:188:5230:16
9:45
#20224
20M
20.00 mi13:57:232:58:488:5613:30
9:56
#20270
21M
21.00 mi14:09:363:11:019:0612:13
12:13
#20629
35K
21.75 mi14:16:223:17:479:066:46
9:03
#20551
23M
23.00 mi14:27:463:29:119:0611:24
9:06
#20354
24M
24.00 mi14:37:123:38:379:079:26
9:26
#20335
40K
24.85 mi14:45:013:46:269:077:49
9:09
#20224
25.2M
25.20 mi14:48:323:49:579:083:31
10:12
#20182
Finish
26.22 mi14:57:043:58:299:068:32
8:22
#20053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi201797604760419553(Top 69%)7205(Top 59%)7205(Top 725%)
10K6.21 mi3.10 mi20096+837530+747530+7420048(Top 71%)7493(Top 61%)7493(Top 754%)
15K9.32 mi3.11 mi19923+1737424+1067424+10619553(Top 69%)7205(Top 59%)7205(Top 725%)
20K12.43 mi3.11 mi19656+2677279+1457279+14518978(Top 67%)6906(Top 56%)6906(Top 695%)
Half13.11 mi0.68 mi19639+177270+97270+919582(Top 69%)7238(Top 59%)7238(Top 728%)
25K15.53 mi2.42 mi20026-3877497-2277497-22721583(Top 76%)8410(Top 69%)8410(Top 846%)
30K18.64 mi3.11 mi20224-1987653-1567653-15620819(Top 73%)8129(Top 66%)8129(Top 818%)
20M20.00 mi1.36 mi20270-467706-537706-5320724(Top 73%)8205(Top 67%)8205(Top 825%)
21M21.00 mi1.00 mi20629-3597923-2177923-21723962(Top 84%)10010(Top 82%)10010(Top 1007%)
35K21.75 mi0.75 mi20551+787892+317892+3118499(Top 65%)7199(Top 59%)7199(Top 724%)
23M23.00 mi1.25 mi20354+1977818+747818+7416883(Top 59%)6390(Top 52%)6390(Top 643%)
24M24.00 mi1.00 mi20335+197816+27816+219394(Top 68%)7768(Top 64%)7768(Top 781%)
40K24.85 mi0.85 mi20224+1117784+327784+3217130(Top 60%)6661(Top 54%)6661(Top 670%)
25.2M25.20 mi0.35 mi20182+427764+207764+2017945(Top 63%)7123(Top 58%)7123(Top 717%)
Finish26.22 mi1.02 mi20053+1297712+527712+5215448(Top 54%)5737(Top 47%)5737(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19553

Females

7205

F55-59

7205

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20048

Females

7493

F55-59

7493

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19553

Females

7205

F55-59

7205

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18978

Females

6906

F55-59

6906

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19582

Females

7238

F55-59

7238

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21583

Females

8410

F55-59

8410

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20819

Females

8129

F55-59

8129

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20724

Females

8205

F55-59

8205

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23962

Females

10010

F55-59

10010

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18499

Females

7199

F55-59

7199

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16883

Females

6390

F55-59

6390

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19394

Females

7768

F55-59

7768

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17130

Females

6661

F55-59

6661

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17945

Females

7123

F55-59

7123

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15448

Females

5737

F55-59

5737

Passing Analysis

Category:
Athletes Passed
1999
Passed By
1873
Net Change
+126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20179
5K → 10K318235+83#20179#20096
10K → 15K279106+173#20096#19923
15K → 20K34073+267#19923#19656
20K → Half4225+17#19656#19639
Half → 25K65452-387#19639#20026
25K → 30K169367-198#20026#20224
30K → 20M84130-46#20224#20270
20M → 21M26385-359#20270#20629
21M → 35K9012+78#20629#20551
35K → 23M2003+197#20551#20354
23M → 24M6546+19#20354#20335
24M → 40K12110+111#20335#20224
40K → 25.2M5715+42#20224#20182
25.2M → Finish14314+129#20182#20053
TOTALS19991873+126
📊

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