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BOSTON MARATHON 2025

Kirsten Kelly

Bib: 23405•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:16
Rank: #21386
Start → 5K
27:16 | 8:47/mi
10K· 6.21 mi
54:35
Rank: #21376 (+10)
5K → 10K
27:19 | 8:48/mi
15K· 9.32 mi
1:21:48
Rank: #21133 (+243)
10K → 15K
27:13 | 8:46/mi
20K· 12.43 mi
1:49:19
Rank: #20913 (+220)
15K → 20K
27:31 | 8:51/mi
Half· 13.11 mi
1:55:21
Rank: #20926 (-13)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:16:53
Rank: #20684 (+242)
Half → 25K
21:32 | 8:53/mi
30K· 18.64 mi
2:45:22
Rank: #20243 (+441)
25K → 30K
28:29 | 9:10/mi
20M
2:57:47
Rank: #20024 (+219)
30K → 20M
12:25 | 9:08/mi
21M
3:07:15
Rank: #19787 (+237)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:13:57
Rank: #19725 (+62)
21M → 35K
6:42 | 8:57/mi
23M
3:25:24
Rank: #19564 (+161)
35K → 23M
11:27 | 9:09/mi
24M
3:34:30
Rank: #19496 (+68)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:42:09
Rank: #19356 (+140)
24M → 40K
7:39 | 8:57/mi
25.2M
3:45:27
Rank: #19269 (+87)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:53:59
Rank: #19139 (+130)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time1:58:38
Pace9:03 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3927:168:4727:16
8:47
-
10K
6.21 mi11:54:5854:358:4727:19
8:48
+0:01
15K
9.32 mi12:22:111:21:488:4727:13
8:46
-0:02
20K
12.43 mi12:49:421:49:198:4827:31
8:51
+0:05
Half
13.11 mi12:55:441:55:218:486:02
8:51
0:00
25K
15.53 mi13:17:162:16:538:4921:32
8:53
+0:02
30K
18.64 mi13:45:452:45:228:5228:29
9:10
+0:17
20M
20.00 mi13:58:102:57:478:5312:25
9:08
-0:02
21M
21.00 mi14:07:383:07:158:559:28
9:28
+0:20
35K
21.75 mi14:14:203:13:578:556:42
8:57
-0:31
23M
23.00 mi14:25:473:25:248:5611:27
9:09
+0:12
24M
24.00 mi14:34:533:34:308:569:06
9:06
-0:03
40K
24.85 mi14:42:323:42:098:567:39
8:57
-0:09
25.2M
25.20 mi14:45:503:45:278:573:18
9:34
+0:37
Finish
26.22 mi14:54:223:53:598:568:32
8:22
-1:12

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

8:56 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:13

95% of race

Time at Steady Pace

12:46

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:27:3927:168:4727:16
8:47
#21386
10K
6.21 mi11:54:5854:358:4727:19
8:48
#21376
15K
9.32 mi12:22:111:21:488:4727:13
8:46
#21133
20K
12.43 mi12:49:421:49:198:4827:31
8:51
#20913
Half
13.11 mi12:55:441:55:218:486:02
8:51
#20926
25K
15.53 mi13:17:162:16:538:4921:32
8:53
#20684
30K
18.64 mi13:45:452:45:228:5228:29
9:10
#20243
20M
20.00 mi13:58:102:57:478:5312:25
9:08
#20024
21M
21.00 mi14:07:383:07:158:559:28
9:28
#19787
35K
21.75 mi14:14:203:13:578:556:42
8:57
#19725
23M
23.00 mi14:25:473:25:248:5611:27
9:09
#19564
24M
24.00 mi14:34:533:34:308:569:06
9:06
#19496
40K
24.85 mi14:42:323:42:098:567:39
8:57
#19356
25.2M
25.20 mi14:45:503:45:278:573:18
9:34
#19269
Finish
26.22 mi14:54:223:53:598:568:32
8:22
#19139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi213868290829020818(Top 73%)7895(Top 65%)7895(Top 606%)
10K6.21 mi3.10 mi21376+108259+318259+3121371(Top 75%)8237(Top 67%)8237(Top 632%)
15K9.32 mi3.11 mi21133+2438107+1528107+15220818(Top 73%)7895(Top 65%)7895(Top 606%)
20K12.43 mi3.11 mi20913+2207983+1247983+12420260(Top 71%)7623(Top 62%)7623(Top 585%)
Half13.11 mi0.68 mi20926-137989-67989-621125(Top 74%)8096(Top 66%)8096(Top 621%)
25K15.53 mi2.42 mi20684+2427866+1237866+12319354(Top 68%)7177(Top 59%)7177(Top 551%)
30K18.64 mi3.11 mi20243+4417667+1997667+19918499(Top 65%)6837(Top 56%)6837(Top 525%)
20M20.00 mi1.36 mi20024+2197559+1087559+10817499(Top 62%)6421(Top 53%)6421(Top 493%)
21M21.00 mi1.00 mi19787+2377451+1087451+10815961(Top 56%)5694(Top 47%)5694(Top 437%)
35K21.75 mi0.75 mi19725+627430+217430+2118041(Top 64%)6923(Top 57%)6923(Top 531%)
23M23.00 mi1.25 mi19564+1617374+567374+5617105(Top 60%)6515(Top 53%)6515(Top 500%)
24M24.00 mi1.00 mi19496+687359+157359+1517913(Top 63%)6990(Top 57%)6990(Top 536%)
40K24.85 mi0.85 mi19356+1407299+607299+6016046(Top 56%)6073(Top 50%)6073(Top 466%)
25.2M25.20 mi0.35 mi19269+877257+427257+4215050(Top 53%)5597(Top 46%)5597(Top 430%)
Finish26.22 mi1.02 mi19139+1307209+487209+4815444(Top 54%)5733(Top 47%)5733(Top 440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20818

Females

7895

F50-54

7895

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21371

Females

8237

F50-54

8237

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20818

Females

7895

F50-54

7895

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20260

Females

7623

F50-54

7623

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21125

Females

8096

F50-54

8096

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19354

Females

7177

F50-54

7177

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18499

Females

6837

F50-54

6837

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17499

Females

6421

F50-54

6421

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15961

Females

5694

F50-54

5694

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18041

Females

6923

F50-54

6923

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17105

Females

6515

F50-54

6515

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17913

Females

6990

F50-54

6990

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16046

Females

6073

F50-54

6073

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15050

Females

5597

F50-54

5597

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15444

Females

5733

F50-54

5733

Passing Analysis

Category:
Athletes Passed
2917
Passed By
670
Net Change
+2247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21386
5K → 10K293283+10#21386#21376
10K → 15K33390+243#21376#21133
15K → 20K29979+220#21133#20913
20K → Half2740-13#20913#20926
Half → 25K28038+242#20926#20684
25K → 30K47332+441#20684#20243
30K → 20M2289+219#20243#20024
20M → 21M2469+237#20024#19787
21M → 35K8119+62#19787#19725
35K → 23M18423+161#19725#19564
23M → 24M9527+68#19564#19496
24M → 40K1488+140#19496#19356
40K → 25.2M892+87#19356#19269
25.2M → Finish14111+130#19269#19139
TOTALS2917670+2247
📊

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