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BOSTON MARATHON 2025

Kathryn Greenberg

Bib: 32465•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

Start
0:00:00
Race begins
5K· 3.11 mi
30:01
Rank: #24722
Start → 5K
30:01 | 9:40/mi
10K· 6.21 mi
1:00:01
Rank: #24628 (+94)
5K → 10K
30:00 | 9:39/mi
15K· 9.32 mi
1:29:25
Rank: #24301 (+327)
10K → 15K
29:24 | 9:28/mi
20K· 12.43 mi
1:58:46
Rank: #23892 (+409)
15K → 20K
29:21 | 9:27/mi
Half· 13.11 mi
2:05:03
Rank: #23837 (+55)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:28:56
Rank: #23658 (+179)
Half → 25K
23:53 | 9:51/mi
30K· 18.64 mi
3:03:32
Rank: #23805 (-147)
25K → 30K
34:36 | 11:08/mi
20M
3:41:19
Rank: #26014 (-2209)
30K → 20M
37:47 | 27:48/mi
21M
3:52:11
Rank: #25812 (+202)
20M → 21M
10:52 | 10:52/mi
35K· 21.75 mi
3:59:43
Rank: #25721 (+91)
21M → 35K
7:32 | 10:04/mi
23M
4:13:22
Rank: #25612 (+109)
35K → 23M
13:39 | 10:54/mi
24M
4:23:59
Rank: #25513 (+99)
23M → 24M
10:37 | 10:37/mi
40K· 24.85 mi
4:32:30
Rank: #25369 (+144)
24M → 40K
8:31 | 9:58/mi
25.2M
4:36:06
Rank: #25300 (+69)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:45:41
Rank: #25225 (+75)
25.2M → Finish
9:35 | 9:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:03
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:40:38
Pace12:15 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1430:019:4030:01
9:40
-
10K
6.21 mi12:25:141:00:019:4030:00
9:39
-0:01
15K
9.32 mi12:54:381:29:259:3629:24
9:28
-0:11
20K
12.43 mi13:23:591:58:469:3329:21
9:27
-0:01
Half
13.11 mi13:30:162:05:039:326:17
9:13
-0:14
25K
15.53 mi13:54:092:28:569:3523:53
9:51
+0:38
30K
18.64 mi14:28:453:03:329:5134:36
11:08
+1:17
20M
20.00 mi15:06:323:41:1911:0437:47
27:48
+16:40
21M
21.00 mi15:17:243:52:1111:0310:52
10:52
-16:56
35K
21.75 mi15:24:563:59:4311:017:32
10:04
-0:48
23M
23.00 mi15:38:354:13:2211:0113:39
10:54
+0:50
24M
24.00 mi15:49:124:23:5911:0010:37
10:37
-0:17
40K
24.85 mi15:57:434:32:3010:588:31
9:58
-0:39
25.2M
25.20 mi16:01:194:36:0610:573:36
10:26
+0:28
Finish
26.22 mi16:10:544:45:4110:549:35
9:24
-1:02

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

9:13 /mi

Average Pace

10:54 /mi

Slowest Pace

27:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:07:54

87% of race

Time at Slower Pace

37:47

13% of race

Average Pace: 10:54 /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 mi11:55:1430:019:4030:01
9:40
#24722
10K
6.21 mi12:25:141:00:019:4030:00
9:39
#24628
15K
9.32 mi12:54:381:29:259:3629:24
9:28
#24301
20K
12.43 mi13:23:591:58:469:3329:21
9:27
#23892
Half
13.11 mi13:30:162:05:039:326:17
9:13
#23837
25K
15.53 mi13:54:092:28:569:3523:53
9:51
#23658
30K
18.64 mi14:28:453:03:329:5134:36
11:08
#23805
20M
20.00 mi15:06:323:41:1911:0437:47
27:48
#26014
21M
21.00 mi15:17:243:52:1111:0310:52
10:52
#25812
35K
21.75 mi15:24:563:59:4311:017:32
10:04
#25721
23M
23.00 mi15:38:354:13:2211:0113:39
10:54
#25612
24M
24.00 mi15:49:124:23:5911:0010:37
10:37
#25513
40K
24.85 mi15:57:434:32:3010:588:31
9:58
#25369
25.2M
25.20 mi16:01:194:36:0610:573:36
10:26
#25300
Finish
26.22 mi16:10:544:45:4110:549:35
9:24
#25225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24722100741007423625(Top 83%)9453(Top 77%)9453(Top 173%)
10K6.21 mi3.10 mi24628+9410024+5010024+5024493(Top 86%)9963(Top 81%)9963(Top 182%)
15K9.32 mi3.11 mi24301+3279842+1829842+18223625(Top 83%)9453(Top 77%)9453(Top 173%)
20K12.43 mi3.11 mi23892+4099633+2099633+20922732(Top 80%)8994(Top 74%)8994(Top 164%)
Half13.11 mi0.68 mi23837+559605+289605+2822585(Top 80%)8936(Top 73%)8936(Top 163%)
25K15.53 mi2.42 mi23658+1799510+959510+9522889(Top 81%)9139(Top 75%)9139(Top 167%)
30K18.64 mi3.11 mi23805-1479629-1199629-11924267(Top 85%)10007(Top 82%)10007(Top 183%)
20M20.00 mi1.36 mi26014-220910842-121310842-121328400(Top 100%)12227(Top 100%)12227(Top 224%)
21M21.00 mi1.00 mi25812+20210750+9210750+9221000(Top 74%)8456(Top 69%)8456(Top 155%)
35K21.75 mi0.75 mi25721+9110705+4510705+4522074(Top 78%)9082(Top 74%)9082(Top 166%)
23M23.00 mi1.25 mi25612+10910663+4210663+4222989(Top 81%)9604(Top 79%)9604(Top 176%)
24M24.00 mi1.00 mi25513+9910623+4010623+4023098(Top 81%)9691(Top 79%)9691(Top 177%)
40K24.85 mi0.85 mi25369+14410548+7510548+7520308(Top 71%)8328(Top 68%)8328(Top 152%)
25.2M25.20 mi0.35 mi25300+6910515+3310515+3318691(Top 66%)7502(Top 61%)7502(Top 137%)
Finish26.22 mi1.02 mi25225+7510481+3410481+3420792(Top 73%)8561(Top 70%)8561(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23625

Females

9453

F18-39

9453

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24493

Females

9963

F18-39

9963

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23625

Females

9453

F18-39

9453

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22732

Females

8994

F18-39

8994

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22585

Females

8936

F18-39

8936

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22889

Females

9139

F18-39

9139

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24267

Females

10007

F18-39

10007

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28400

Females

12227

F18-39

12227

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21000

Females

8456

F18-39

8456

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22074

Females

9082

F18-39

9082

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22989

Females

9604

F18-39

9604

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23098

Females

9691

F18-39

9691

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20308

Females

8328

F18-39

8328

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18691

Females

7502

F18-39

7502

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20792

Females

8561

F18-39

8561

Passing Analysis

Category:
Athletes Passed
2187
Passed By
2690
Net Change
-503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24722
5K → 10K245151+94#24722#24628
10K → 15K35427+327#24628#24301
15K → 20K4145+409#24301#23892
20K → Half605+55#23892#23837
Half → 25K20627+179#23837#23658
25K → 30K106253-147#23658#23805
30K → 20M12210-2209#23805#26014
20M → 21M2020+202#26014#25812
21M → 35K954+91#25812#25721
35K → 23M1156+109#25721#25612
23M → 24M1001+99#25612#25513
24M → 40K1440+144#25513#25369
40K → 25.2M690+69#25369#25300
25.2M → Finish761+75#25300#25225
TOTALS21872690-503
📊

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