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BOSTON MARATHON 2025

Kaitlin Tanner

Bib: 7987•F

LA

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
21:06
Rank: #6267
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:21
Rank: #6469 (-202)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:32
Rank: #6369 (+100)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:24:49
Rank: #6177 (+192)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:35
Rank: #6270 (-93)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:47:06
Rank: #6535 (-265)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:14:23
Rank: #8100 (-1565)
25K → 30K
27:17 | 8:47/mi
20M
2:31:21
Rank: #10837 (-2737)
30K → 20M
16:58 | 12:29/mi
21M
2:40:50
Rank: #11142 (-305)
20M → 21M
9:29 | 9:29/mi
35K· 21.75 mi
2:48:22
Rank: #11757 (-615)
21M → 35K
7:32 | 10:04/mi
23M
3:01:07
Rank: #12562 (-805)
35K → 23M
12:45 | 10:11/mi
24M
3:10:03
Rank: #12794 (-232)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:19:28
Rank: #13445 (-651)
24M → 40K
9:25 | 11:01/mi
25.2M
3:24:07
Rank: #13888 (-443)
40K → 25.2M
4:39 | 13:29/mi
Finish· 26.22 mi
3:34:18
Rank: #14374 (-486)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time2:04:43
Pace9:31 /mi
📊Positive Split: 39.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0321:066:4721:06
6:47
-
10K
6.21 mi10:50:1842:216:4921:15
6:50
+0:03
15K
9.32 mi11:11:291:03:326:4921:11
6:49
-0:01
20K
12.43 mi11:32:461:24:496:4921:17
6:51
+0:02
Half
13.11 mi11:37:321:29:356:504:46
6:59
+0:08
25K
15.53 mi11:55:031:47:066:5417:31
7:13
+0:14
30K
18.64 mi12:22:202:14:237:1327:17
8:47
+1:34
20M
20.00 mi12:39:182:31:217:3416:58
12:29
+3:42
21M
21.00 mi12:48:472:40:507:409:29
9:29
-3:00
35K
21.75 mi12:56:192:48:227:457:32
10:04
+0:35
23M
23.00 mi13:09:043:01:077:5212:45
10:11
+0:07
24M
24.00 mi13:18:003:10:037:558:56
8:56
-1:15
40K
24.85 mi13:27:253:19:288:029:25
11:01
+2:05
25.2M
25.20 mi13:32:043:24:078:064:39
13:29
+2:28
Finish
26.22 mi13:42:153:34:188:1110:11
10:00
-3:29

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

6:47 /mi

Average Pace

8:11 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:06

50% of race

Time at Steady Pace

45:42

21% of race

Time at Slower Pace

1:01:30

29% of race

Average Pace: 8:10 /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 mi10:29:0321:066:4721:06
6:47
#6267
10K
6.21 mi10:50:1842:216:4921:15
6:50
#6469
15K
9.32 mi11:11:291:03:326:4921:11
6:49
#6369
20K
12.43 mi11:32:461:24:496:4921:17
6:51
#6177
Half
13.11 mi11:37:321:29:356:504:46
6:59
#6270
25K
15.53 mi11:55:031:47:066:5417:31
7:13
#6535
30K
18.64 mi12:22:202:14:237:1327:17
8:47
#8100
20M
20.00 mi12:39:182:31:217:3416:58
12:29
#10837
21M
21.00 mi12:48:472:40:507:409:29
9:29
#11142
35K
21.75 mi12:56:192:48:227:457:32
10:04
#11757
23M
23.00 mi13:09:043:01:077:5212:45
10:11
#12562
24M
24.00 mi13:18:003:10:037:558:56
8:56
#12794
40K
24.85 mi13:27:253:19:288:029:25
11:01
#13445
25.2M
25.20 mi13:32:043:24:078:064:39
13:29
#13888
Finish
26.22 mi13:42:153:34:188:1110:11
10:00
#14374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62675275276291(Top 22%)584(Top 5%)584(Top 11%)
10K6.21 mi3.10 mi6469-202568-41568-416809(Top 24%)668(Top 5%)668(Top 12%)
15K9.32 mi3.11 mi6369+100557+11557+116291(Top 22%)584(Top 5%)584(Top 11%)
20K12.43 mi3.11 mi6177+192538+19538+195804(Top 20%)515(Top 4%)515(Top 9%)
Half13.11 mi0.68 mi6270-93567-29567-297587(Top 27%)956(Top 8%)956(Top 17%)
25K15.53 mi2.42 mi6535-265627-60627-607801(Top 27%)1147(Top 9%)1147(Top 21%)
30K18.64 mi3.11 mi8100-15651154-5271154-52716490(Top 58%)5735(Top 47%)5735(Top 105%)
20M20.00 mi1.36 mi10837-27372428-12742428-127425896(Top 91%)10956(Top 90%)10956(Top 200%)
21M21.00 mi1.00 mi11142-3052628-2002628-20016006(Top 56%)5702(Top 47%)5702(Top 104%)
35K21.75 mi0.75 mi11757-6152959-3312959-33122104(Top 78%)9083(Top 74%)9083(Top 166%)
23M23.00 mi1.25 mi12562-8053430-4713430-47121060(Top 74%)8586(Top 70%)8586(Top 157%)
24M24.00 mi1.00 mi12794-2323586-1563586-15617028(Top 60%)6510(Top 53%)6510(Top 119%)
40K24.85 mi0.85 mi13445-6513968-3823968-38223183(Top 82%)9797(Top 80%)9797(Top 179%)
25.2M25.20 mi0.35 mi13888-4434240-2724240-27225668(Top 90%)11021(Top 90%)11021(Top 202%)
Finish26.22 mi1.02 mi14374-4864520-2804520-28022926(Top 81%)9627(Top 79%)9627(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6291

Females

584

F18-39

584

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6809

Females

668

F18-39

668

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6291

Females

584

F18-39

584

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5804

Females

515

F18-39

515

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7587

Females

956

F18-39

956

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7801

Females

1147

F18-39

1147

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16490

Females

5735

F18-39

5735

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25896

Females

10956

F18-39

10956

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

16006

Females

5702

F18-39

5702

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22104

Females

9083

F18-39

9083

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21060

Females

8586

F18-39

8586

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17028

Females

6510

F18-39

6510

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23183

Females

9797

F18-39

9797

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25668

Females

11021

F18-39

11021

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22926

Females

9627

F18-39

9627

Passing Analysis

Category:
Athletes Passed
756
Passed By
8861
Net Change
-8107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6267
5K → 10K114316-202#6267#6469
10K → 15K19494+100#6469#6369
15K → 20K24957+192#6369#6177
20K → Half7100-93#6177#6270
Half → 25K63328-265#6270#6535
25K → 30K181583-1565#6535#8100
30K → 20M42739-2737#8100#10837
20M → 21M35340-305#10837#11142
21M → 35K4619-615#11142#11757
35K → 23M23828-805#11757#12562
23M → 24M26258-232#12562#12794
24M → 40K7658-651#12794#13445
40K → 25.2M2445-443#13445#13888
25.2M → Finish10496-486#13888#14374
TOTALS7568861-8107
📊

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