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BOSTON MARATHON 2025

Kali Moss

Bib: 20150•F

FL

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
25:32
Rank: #18243
Start → 5K
25:32 | 8:13/mi
10K· 6.21 mi
50:52
Rank: #17888 (+355)
5K → 10K
25:20 | 8:09/mi
15K· 9.32 mi
1:16:18
Rank: #17677 (+211)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:42:30
Rank: #17671 (+6)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:48:12
Rank: #17694 (-23)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:09:36
Rank: #17884 (-190)
Half → 25K
21:24 | 8:50/mi
30K· 18.64 mi
2:37:51
Rank: #17898 (-14)
25K → 30K
28:15 | 9:06/mi
20M
2:50:17
Rank: #17870 (+28)
30K → 20M
12:26 | 9:09/mi
21M
3:00:30
Rank: #17992 (-122)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:06:56
Rank: #17895 (+97)
21M → 35K
6:26 | 8:36/mi
23M
3:17:47
Rank: #17664 (+231)
35K → 23M
10:51 | 8:40/mi
24M
3:26:30
Rank: #17570 (+94)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:34:17
Rank: #17529 (+41)
24M → 40K
7:47 | 9:06/mi
25.2M
3:37:58
Rank: #17571 (-42)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:46:41
Rank: #17533 (+38)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:12
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:29
Pace9:02 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5425:328:1325:32
8:13
-
10K
6.21 mi11:42:1450:528:1125:20
8:09
-0:04
15K
9.32 mi12:07:401:16:188:1125:26
8:11
+0:02
20K
12.43 mi12:33:521:42:308:1526:12
8:26
+0:15
Half
13.11 mi12:39:341:48:128:155:42
8:21
-0:05
25K
15.53 mi13:00:582:09:368:2121:24
8:50
+0:29
30K
18.64 mi13:29:132:37:518:2828:15
9:06
+0:16
20M
20.00 mi13:41:392:50:178:3112:26
9:09
+0:03
21M
21.00 mi13:51:523:00:308:3610:13
10:13
+1:04
35K
21.75 mi13:58:183:06:568:366:26
8:36
-1:37
23M
23.00 mi14:09:093:17:478:3610:51
8:40
+0:04
24M
24.00 mi14:17:523:26:308:368:43
8:43
+0:03
40K
24.85 mi14:25:393:34:178:377:47
9:06
+0:23
25.2M
25.20 mi14:29:203:37:588:393:41
10:41
+1:35
Finish
26.22 mi14:38:033:46:418:398:43
8:33
-2:08

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

8:09 /mi

Average Pace

8:39 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:18

34% of race

Time at Steady Pace

1:28:01

39% of race

Time at Slower Pace

1:02:22

28% of race

Average Pace: 8:39 /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 mi11:16:5425:328:1325:32
8:13
#18243
10K
6.21 mi11:42:1450:528:1125:20
8:09
#17888
15K
9.32 mi12:07:401:16:188:1125:26
8:11
#17677
20K
12.43 mi12:33:521:42:308:1526:12
8:26
#17671
Half
13.11 mi12:39:341:48:128:155:42
8:21
#17694
25K
15.53 mi13:00:582:09:368:2121:24
8:50
#17884
30K
18.64 mi13:29:132:37:518:2828:15
9:06
#17898
20M
20.00 mi13:41:392:50:178:3112:26
9:09
#17870
21M
21.00 mi13:51:523:00:308:3610:13
10:13
#17992
35K
21.75 mi13:58:183:06:568:366:26
8:36
#17895
23M
23.00 mi14:09:093:17:478:3610:51
8:40
#17664
24M
24.00 mi14:17:523:26:308:368:43
8:43
#17570
40K
24.85 mi14:25:393:34:178:377:47
9:06
#17529
25.2M
25.20 mi14:29:203:37:588:393:41
10:41
#17571
Finish
26.22 mi14:38:033:46:418:398:43
8:33
#17533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182436487648717326(Top 61%)5917(Top 48%)5917(Top 108%)
10K6.21 mi3.10 mi17888+3556261+2266261+22617586(Top 62%)6055(Top 50%)6055(Top 111%)
15K9.32 mi3.11 mi17677+2116130+1316130+13117326(Top 61%)5917(Top 48%)5917(Top 108%)
20K12.43 mi3.11 mi17671+66141-116141-1117770(Top 63%)6205(Top 51%)6205(Top 113%)
Half13.11 mi0.68 mi17694-236150-96150-918342(Top 65%)6519(Top 53%)6519(Top 119%)
25K15.53 mi2.42 mi17884-1906288-1386288-13819066(Top 67%)7007(Top 57%)7007(Top 128%)
30K18.64 mi3.11 mi17898-146344-566344-5618158(Top 64%)6667(Top 55%)6667(Top 122%)
20M20.00 mi1.36 mi17870+286350-66350-617540(Top 62%)6437(Top 53%)6437(Top 118%)
21M21.00 mi1.00 mi17992-1226427-776427-7719089(Top 67%)7373(Top 60%)7373(Top 135%)
35K21.75 mi0.75 mi17895+976381+466381+4616104(Top 57%)5847(Top 48%)5847(Top 107%)
23M23.00 mi1.25 mi17664+2316310+716310+7114371(Top 51%)5008(Top 41%)5008(Top 92%)
24M24.00 mi1.00 mi17570+946290+206290+2015865(Top 56%)5855(Top 48%)5855(Top 107%)
40K24.85 mi0.85 mi17529+416296-66296-616903(Top 60%)6534(Top 53%)6534(Top 119%)
25.2M25.20 mi0.35 mi17571-426332-366332-3619668(Top 69%)7979(Top 65%)7979(Top 146%)
Finish26.22 mi1.02 mi17533+386331+16331+116601(Top 58%)6359(Top 52%)6359(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17326

Females

5917

F18-39

5917

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17586

Females

6055

F18-39

6055

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17326

Females

5917

F18-39

5917

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17770

Females

6205

F18-39

6205

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18342

Females

6519

F18-39

6519

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19066

Females

7007

F18-39

7007

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18158

Females

6667

F18-39

6667

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17540

Females

6437

F18-39

6437

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19089

Females

7373

F18-39

7373

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16104

Females

5847

F18-39

5847

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14371

Females

5008

F18-39

5008

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15865

Females

5855

F18-39

5855

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16903

Females

6534

F18-39

6534

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19668

Females

7979

F18-39

7979

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16601

Females

6359

F18-39

6359

Passing Analysis

Category:
Athletes Passed
2218
Passed By
1508
Net Change
+710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18243
5K → 10K493138+355#18243#17888
10K → 15K30493+211#17888#17677
15K → 20K193187+6#17677#17671
20K → Half2750-23#17671#17694
Half → 25K114304-190#17694#17884
25K → 30K236250-14#17884#17898
30K → 20M129101+28#17898#17870
20M → 21M59181-122#17870#17992
21M → 35K10811+97#17992#17895
35K → 23M24716+231#17895#17664
23M → 24M12632+94#17664#17570
24M → 40K9049+41#17570#17529
40K → 25.2M1860-42#17529#17571
25.2M → Finish7436+38#17571#17533
TOTALS22181508+710
📊

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