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BOSTON MARATHON 2025

Daniele Klein

Bib: 25899•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:00
Rank: #25510
Start → 5K
31:00 | 9:59/mi
10K· 6.21 mi
1:03:39
Rank: #25993 (-483)
5K → 10K
32:39 | 10:31/mi
15K· 9.32 mi
1:36:14
Rank: #25949 (+44)
10K → 15K
32:35 | 10:29/mi
20K· 12.43 mi
2:08:43
Rank: #25709 (+240)
15K → 20K
32:29 | 10:27/mi
Half· 13.11 mi
2:15:32
Rank: #25668 (+41)
20K → Half
6:49 | 9:59/mi
25K· 15.53 mi
2:41:19
Rank: #25479 (+189)
Half → 25K
25:47 | 10:38/mi
30K· 18.64 mi
3:16:08
Rank: #25272 (+207)
25K → 30K
34:49 | 11:12/mi
20M
3:31:06
Rank: #25161 (+111)
30K → 20M
14:58 | 11:01/mi
21M
3:42:47
Rank: #25064 (+97)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
3:50:11
Rank: #24991 (+73)
21M → 35K
7:24 | 9:53/mi
23M
4:04:04
Rank: #24909 (+82)
35K → 23M
13:53 | 11:05/mi
24M
4:14:52
Rank: #24856 (+53)
23M → 24M
10:48 | 10:48/mi
40K· 24.85 mi
4:24:36
Rank: #24825 (+31)
24M → 40K
9:44 | 11:23/mi
25.2M
4:28:35
Rank: #24796 (+29)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
4:38:34
Rank: #24745 (+51)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:32
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:23:02
Pace10:55 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2731:009:5931:00
9:59
-
10K
6.21 mi12:29:061:03:3910:1532:39
10:31
+0:32
15K
9.32 mi13:01:411:36:1410:1932:35
10:29
-0:02
20K
12.43 mi13:34:102:08:4310:2132:29
10:27
-0:02
Half
13.11 mi13:40:592:15:3210:206:49
9:59
-0:28
25K
15.53 mi14:06:462:41:1910:2325:47
10:38
+0:39
30K
18.64 mi14:41:353:16:0810:3134:49
11:12
+0:34
20M
20.00 mi14:56:333:31:0610:3314:58
11:01
-0:11
21M
21.00 mi15:08:143:42:4710:3711:41
11:41
+0:40
35K
21.75 mi15:15:383:50:1110:357:24
9:53
-1:48
23M
23.00 mi15:29:314:04:0410:3713:53
11:05
+1:12
24M
24.00 mi15:40:194:14:5210:3710:48
10:48
-0:17
40K
24.85 mi15:50:034:24:3610:399:44
11:23
+0:35
25.2M
25.20 mi15:54:024:28:3510:393:59
11:33
+0:10
Finish
26.22 mi16:04:014:38:3410:389:59
9:48
-1:45

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

9:48 /mi

Average Pace

10:38 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:42

64% of race

Time at Steady Pace

1:28:11

32% of race

Time at Slower Pace

11:41

4% of race

Average Pace: 10:37 /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 mi11:56:2731:009:5931:00
9:59
#25510
10K
6.21 mi12:29:061:03:3910:1532:39
10:31
#25993
15K
9.32 mi13:01:411:36:1410:1932:35
10:29
#25949
20K
12.43 mi13:34:102:08:4310:2132:29
10:27
#25709
Half
13.11 mi13:40:592:15:3210:206:49
9:59
#25668
25K
15.53 mi14:06:462:41:1910:2325:47
10:38
#25479
30K
18.64 mi14:41:353:16:0810:3134:49
11:12
#25272
20M
20.00 mi14:56:333:31:0610:3314:58
11:01
#25161
21M
21.00 mi15:08:143:42:4710:3711:41
11:41
#25064
35K
21.75 mi15:15:383:50:1110:357:24
9:53
#24991
23M
23.00 mi15:29:314:04:0410:3713:53
11:05
#24909
24M
24.00 mi15:40:194:14:5210:3710:48
10:48
#24856
40K
24.85 mi15:50:034:24:3610:399:44
11:23
#24825
25.2M
25.20 mi15:54:024:28:3510:393:59
11:33
#24796
Finish
26.22 mi16:04:014:38:3410:389:59
9:48
#24745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25510104861048625912(Top 91%)10744(Top 88%)10744(Top 196%)
10K6.21 mi3.10 mi25993-48310774-28810774-28826270(Top 92%)10945(Top 90%)10945(Top 200%)
15K9.32 mi3.11 mi25949+4410747+2710747+2725912(Top 91%)10744(Top 88%)10744(Top 196%)
20K12.43 mi3.11 mi25709+24010620+12710620+12725113(Top 88%)10323(Top 84%)10323(Top 189%)
Half13.11 mi0.68 mi25668+4110602+1810602+1824788(Top 87%)10155(Top 83%)10155(Top 186%)
25K15.53 mi2.42 mi25479+18910511+9110511+9124602(Top 87%)10074(Top 82%)10074(Top 184%)
30K18.64 mi3.11 mi25272+20710432+7910432+7924379(Top 86%)10066(Top 82%)10066(Top 184%)
20M20.00 mi1.36 mi25161+11110386+4610386+4623590(Top 83%)9731(Top 80%)9731(Top 178%)
21M21.00 mi1.00 mi25064+9710339+4710339+4722975(Top 81%)9491(Top 78%)9491(Top 174%)
35K21.75 mi0.75 mi24991+7310307+3210307+3221560(Top 76%)8815(Top 72%)8815(Top 161%)
23M23.00 mi1.25 mi24909+8210281+2610281+2623415(Top 82%)9813(Top 80%)9813(Top 179%)
24M24.00 mi1.00 mi24856+5310265+1610265+1623539(Top 83%)9896(Top 81%)9896(Top 181%)
40K24.85 mi0.85 mi24825+3110260+510260+523905(Top 84%)10124(Top 83%)10124(Top 185%)
25.2M25.20 mi0.35 mi24796+2910251+910251+922116(Top 78%)9226(Top 75%)9226(Top 169%)
Finish26.22 mi1.02 mi24745+5110235+1610235+1622236(Top 78%)9291(Top 76%)9291(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25912

Females

10744

F18-39

10744

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26270

Females

10945

F18-39

10945

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25912

Females

10744

F18-39

10744

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

25113

Females

10323

F18-39

10323

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24788

Females

10155

F18-39

10155

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24602

Females

10074

F18-39

10074

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24379

Females

10066

F18-39

10066

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23590

Females

9731

F18-39

9731

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

22975

Females

9491

F18-39

9491

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21560

Females

8815

F18-39

8815

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23415

Females

9813

F18-39

9813

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23539

Females

9896

F18-39

9896

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23905

Females

10124

F18-39

10124

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22116

Females

9226

F18-39

9226

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22236

Females

9291

F18-39

9291

Passing Analysis

Category:
Athletes Passed
1587
Passed By
822
Net Change
+765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25510
5K → 10K66549-483#25510#25993
10K → 15K146102+44#25993#25949
15K → 20K26121+240#25949#25709
20K → Half465+41#25709#25668
Half → 25K21021+189#25668#25479
25K → 30K24841+207#25479#25272
30K → 20M12615+111#25272#25161
20M → 21M11114+97#25161#25064
21M → 35K730+73#25064#24991
35K → 23M9210+82#24991#24909
23M → 24M6310+53#24909#24856
24M → 40K5019+31#24856#24825
40K → 25.2M367+29#24825#24796
25.2M → Finish598+51#24796#24745
TOTALS1587822+765
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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