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BOSTON MARATHON 2025

Kristine Gaffney

Bib: 11162•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
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
22:49
Rank: #10823
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
45:34
Rank: #10627 (+196)
5K → 10K
22:45 | 7:19/mi
15K· 9.32 mi
1:07:41
Rank: #9876 (+751)
10K → 15K
22:07 | 7:07/mi
20K· 12.43 mi
1:32:57
Rank: #11465 (-1589)
15K → 20K
25:16 | 8:08/mi
Half· 13.11 mi
1:38:07
Rank: #11516 (-51)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:55
Rank: #12647 (-1131)
Half → 25K
20:48 | 8:35/mi
30K· 18.64 mi
2:25:46
Rank: #13263 (-616)
25K → 30K
26:51 | 8:39/mi
20M
2:37:55
Rank: #13498 (-235)
30K → 20M
12:09 | 8:56/mi
21M
2:47:09
Rank: #13549 (-51)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:53:41
Rank: #13677 (-128)
21M → 35K
6:32 | 8:44/mi
23M
3:05:27
Rank: #14042 (-365)
35K → 23M
11:46 | 9:24/mi
24M
3:14:37
Rank: #14266 (-224)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:22:17
Rank: #14313 (-47)
24M → 40K
7:40 | 8:58/mi
25.2M
3:25:22
Rank: #14261 (+52)
40K → 25.2M
3:05 | 8:58/mi
Finish· 26.22 mi
3:34:23
Rank: #14390 (-129)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:56:16
Pace8:52 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1222:497:2122:49
7:21
-
10K
6.21 mi11:12:5745:347:2022:45
7:19
-0:02
15K
9.32 mi11:35:041:07:417:1622:07
7:07
-0:12
20K
12.43 mi12:00:201:32:577:2925:16
8:08
+1:01
Half
13.11 mi12:05:301:38:077:295:10
7:34
-0:34
25K
15.53 mi12:26:181:58:557:3920:48
8:35
+1:01
30K
18.64 mi12:53:092:25:467:4926:51
8:39
+0:04
20M
20.00 mi13:05:182:37:557:5412:09
8:56
+0:17
21M
21.00 mi13:14:322:47:097:589:14
9:14
+0:18
35K
21.75 mi13:21:042:53:417:596:32
8:44
-0:30
23M
23.00 mi13:32:503:05:278:0411:46
9:24
+0:40
24M
24.00 mi13:42:003:14:378:079:10
9:10
-0:14
40K
24.85 mi13:49:403:22:178:087:40
8:58
-0:12
25.2M
25.20 mi13:52:453:25:228:093:05
8:58
0:00
Finish
26.22 mi14:01:463:34:238:119:01
8:51
-0:07

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

7:07 /mi

Average Pace

8:11 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:07

46% of race

Time at Steady Pace

1:26:06

40% of race

Time at Slower Pace

30:10

14% of race

Average Pace: 8:11 /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 mi10:50:1222:497:2122:49
7:21
#10823
10K
6.21 mi11:12:5745:347:2022:45
7:19
#10627
15K
9.32 mi11:35:041:07:417:1622:07
7:07
#9876
20K
12.43 mi12:00:201:32:577:2925:16
8:08
#11465
Half
13.11 mi12:05:301:38:077:295:10
7:34
#11516
25K
15.53 mi12:26:181:58:557:3920:48
8:35
#12647
30K
18.64 mi12:53:092:25:467:4926:51
8:39
#13263
20M
20.00 mi13:05:182:37:557:5412:09
8:56
#13498
21M
21.00 mi13:14:322:47:097:589:14
9:14
#13549
35K
21.75 mi13:21:042:53:417:596:32
8:44
#13677
23M
23.00 mi13:32:503:05:278:0411:46
9:24
#14042
24M
24.00 mi13:42:003:14:378:079:10
9:10
#14266
40K
24.85 mi13:49:403:22:178:087:40
8:58
#14313
25.2M
25.20 mi13:52:453:25:228:093:05
8:58
#14261
Finish
26.22 mi14:01:463:34:238:119:01
8:51
#14390
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10823220122018483(Top 30%)1227(Top 10%)1227(Top 22%)
10K6.21 mi3.10 mi10627+1962127+742127+7410551(Top 37%)2088(Top 17%)2088(Top 38%)
15K9.32 mi3.11 mi9876+7511783+3441783+3448483(Top 30%)1227(Top 10%)1227(Top 22%)
20K12.43 mi3.11 mi11465-15892589-8062589-80615874(Top 56%)5139(Top 42%)5139(Top 94%)
Half13.11 mi0.68 mi11516-512621-322621-3212451(Top 44%)3218(Top 26%)3218(Top 59%)
25K15.53 mi2.42 mi12647-11313274-6533274-65317675(Top 62%)6231(Top 51%)6231(Top 114%)
30K18.64 mi3.11 mi13263-6163698-4243698-42415645(Top 55%)5248(Top 43%)5248(Top 96%)
20M20.00 mi1.36 mi13498-2353853-1553853-15516478(Top 58%)5859(Top 48%)5859(Top 107%)
21M21.00 mi1.00 mi13549-513920-673920-6714820(Top 52%)5060(Top 41%)5060(Top 93%)
35K21.75 mi0.75 mi13677-1284008-884008-8816895(Top 59%)6265(Top 51%)6265(Top 115%)
23M23.00 mi1.25 mi14042-3654243-2354243-23518236(Top 64%)7098(Top 58%)7098(Top 130%)
24M24.00 mi1.00 mi14266-2244391-1484391-14818189(Top 64%)7128(Top 58%)7128(Top 130%)
40K24.85 mi0.85 mi14313-474446-554446-5516057(Top 57%)6084(Top 50%)6084(Top 111%)
25.2M25.20 mi0.35 mi14261+524428+184428+1811596(Top 41%)3833(Top 31%)3833(Top 70%)
Finish26.22 mi1.02 mi14390-1294532-1044532-10418286(Top 64%)7224(Top 59%)7224(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8483

Females

1227

F18-39

1227

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10551

Females

2088

F18-39

2088

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8483

Females

1227

F18-39

1227

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15874

Females

5139

F18-39

5139

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12451

Females

3218

F18-39

3218

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17675

Females

6231

F18-39

6231

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15645

Females

5248

F18-39

5248

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16478

Females

5859

F18-39

5859

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14820

Females

5060

F18-39

5060

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16895

Females

6265

F18-39

6265

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18236

Females

7098

F18-39

7098

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18189

Females

7128

F18-39

7128

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16057

Females

6084

F18-39

6084

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11596

Females

3833

F18-39

3833

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18286

Females

7224

F18-39

7224

Passing Analysis

Category:
Athletes Passed
1712*
Passed By
5277
Net Change
-3567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10823
5K → 10K373177+196#10823#10627
10K → 15K753*2+751#10627#9876
15K → 20K221609-1589#9876#11465
20K → Half1869-51#11465#11516
Half → 25K251156-1131#11516#12647
25K → 30K104720-616#12647#13263
30K → 20M64299-235#13263#13498
20M → 21M96147-51#13498#13549
21M → 35K25153-128#13549#13677
35K → 23M45410-365#13677#14042
23M → 24M30254-224#14042#14266
24M → 40K59106-47#14266#14313
40K → 25.2M619+52#14313#14261
25.2M → Finish37166-129#14261#14390
TOTALS1712*5277-3567

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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