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BOSTON MARATHON 2025

Kelli Brockmann

Bib: 21193•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F45-49)
#0 / 1813
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:54
Rank: #18954
Start → 5K
25:54 | 8:20/mi
10K· 6.21 mi
52:06
Rank: #19152 (-198)
5K → 10K
26:12 | 8:26/mi
15K· 9.32 mi
1:18:07
Rank: #18919 (+233)
10K → 15K
26:01 | 8:22/mi
20K· 12.43 mi
1:44:14
Rank: #18577 (+342)
15K → 20K
26:07 | 8:24/mi
Half· 13.11 mi
1:49:49
Rank: #18493 (+84)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:11:26
Rank: #18666 (-173)
Half → 25K
21:37 | 8:55/mi
30K· 18.64 mi
2:38:17
Rank: #18047 (+619)
25K → 30K
26:51 | 8:39/mi
20M
2:49:49
Rank: #17720 (+327)
30K → 20M
11:32 | 8:29/mi
21M
2:59:26
Rank: #17657 (+63)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
3:06:01
Rank: #17629 (+28)
21M → 35K
6:35 | 8:48/mi
23M
3:16:41
Rank: #17354 (+275)
35K → 23M
10:40 | 8:31/mi
24M
3:25:10
Rank: #17207 (+147)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:32:19
Rank: #17039 (+168)
24M → 40K
7:09 | 8:22/mi
25.2M
3:35:22
Rank: #16923 (+116)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:43:28
Rank: #16733 (+190)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:49
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:53:39
Pace8:40 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5325:548:2025:54
8:20
-
10K
6.21 mi11:45:0552:068:2326:12
8:26
+0:06
15K
9.32 mi12:11:061:18:078:2326:01
8:22
-0:04
20K
12.43 mi12:37:131:44:148:2326:07
8:24
+0:02
Half
13.11 mi12:42:481:49:498:235:35
8:11
-0:13
25K
15.53 mi13:04:252:11:268:2821:37
8:55
+0:44
30K
18.64 mi13:31:162:38:178:2926:51
8:39
-0:16
20M
20.00 mi13:42:482:49:498:2911:32
8:29
-0:10
21M
21.00 mi13:52:252:59:268:339:37
9:37
+1:08
35K
21.75 mi13:59:003:06:018:336:35
8:48
-0:49
23M
23.00 mi14:09:403:16:418:3310:40
8:31
-0:17
24M
24.00 mi14:18:093:25:108:338:29
8:29
-0:02
40K
24.85 mi14:25:183:32:198:337:09
8:22
-0:07
25.2M
25.20 mi14:28:213:35:228:333:03
8:51
+0:29
Finish
26.22 mi14:36:273:43:288:328:06
7:57
-0:54

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

7:57 /mi

Average Pace

8:32 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:41

6% of race

Time at Steady Pace

2:48:55

76% of race

Time at Slower Pace

40:52

18% of race

Average Pace: 8:31 /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 mi11:18:5325:548:2025:54
8:20
#18954
10K
6.21 mi11:45:0552:068:2326:12
8:26
#19152
15K
9.32 mi12:11:061:18:078:2326:01
8:22
#18919
20K
12.43 mi12:37:131:44:148:2326:07
8:24
#18577
Half
13.11 mi12:42:481:49:498:235:35
8:11
#18493
25K
15.53 mi13:04:252:11:268:2821:37
8:55
#18666
30K
18.64 mi13:31:162:38:178:2926:51
8:39
#18047
20M
20.00 mi13:42:482:49:498:2911:32
8:29
#17720
21M
21.00 mi13:52:252:59:268:339:37
9:37
#17657
35K
21.75 mi13:59:003:06:018:336:35
8:48
#17629
23M
23.00 mi14:09:403:16:418:3310:40
8:31
#17354
24M
24.00 mi14:18:093:25:108:338:29
8:29
#17207
40K
24.85 mi14:25:183:32:198:337:09
8:22
#17039
25.2M
25.20 mi14:28:213:35:228:333:03
8:51
#16923
Finish
26.22 mi14:36:273:43:288:328:06
7:57
#16733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi189546883688318543(Top 65%)6626(Top 54%)6626(Top 365%)
10K6.21 mi3.10 mi19152-1986987-1046987-10419398(Top 68%)7107(Top 58%)7107(Top 392%)
15K9.32 mi3.11 mi18919+2336864+1236864+12318543(Top 65%)6626(Top 54%)6626(Top 365%)
20K12.43 mi3.11 mi18577+3426662+2026662+20217594(Top 62%)6106(Top 50%)6106(Top 337%)
Half13.11 mi0.68 mi18493+846611+516611+5117228(Top 61%)5893(Top 48%)5893(Top 325%)
25K15.53 mi2.42 mi18666-1736729-1186729-11819499(Top 69%)7257(Top 59%)7257(Top 400%)
30K18.64 mi3.11 mi18047+6196424+3056424+30515667(Top 55%)5270(Top 43%)5270(Top 291%)
20M20.00 mi1.36 mi17720+3276274+1506274+15013737(Top 48%)4386(Top 36%)4386(Top 242%)
21M21.00 mi1.00 mi17657+636248+266248+2616642(Top 59%)6052(Top 49%)6052(Top 334%)
35K21.75 mi0.75 mi17629+286254-66254-617260(Top 61%)6495(Top 53%)6495(Top 358%)
23M23.00 mi1.25 mi17354+2756142+1126142+11213465(Top 47%)4517(Top 37%)4517(Top 249%)
24M24.00 mi1.00 mi17207+1476081+616081+6114433(Top 51%)5060(Top 41%)5060(Top 279%)
40K24.85 mi0.85 mi17039+1686006+756006+7512598(Top 44%)4251(Top 35%)4251(Top 234%)
25.2M25.20 mi0.35 mi16923+1165955+515955+5111055(Top 39%)3549(Top 29%)3549(Top 196%)
Finish26.22 mi1.02 mi16733+1905869+865869+8612586(Top 44%)4243(Top 35%)4243(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18543

Females

6626

F45-49

6626

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19398

Females

7107

F45-49

7107

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18543

Females

6626

F45-49

6626

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17594

Females

6106

F45-49

6106

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17228

Females

5893

F45-49

5893

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19499

Females

7257

F45-49

7257

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15667

Females

5270

F45-49

5270

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13737

Females

4386

F45-49

4386

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16642

Females

6052

F45-49

6052

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17260

Females

6495

F45-49

6495

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13465

Females

4517

F45-49

4517

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14433

Females

5060

F45-49

5060

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12598

Females

4251

F45-49

4251

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11055

Females

3549

F45-49

3549

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12586

Females

4243

F45-49

4243

Passing Analysis

Category:
Athletes Passed
3218
Passed By
997
Net Change
+2221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18954
5K → 10K173371-198#18954#19152
10K → 15K32188+233#19152#18919
15K → 20K38543+342#18919#18577
20K → Half939+84#18577#18493
Half → 25K119292-173#18493#18666
25K → 30K63617+619#18666#18047
30K → 20M3369+327#18047#17720
20M → 21M13269+63#17720#17657
21M → 35K7648+28#17657#17629
35K → 23M2849+275#17629#17354
23M → 24M16518+147#17354#17207
24M → 40K1779+168#17207#17039
40K → 25.2M1160+116#17039#16923
25.2M → Finish20515+190#16923#16733
TOTALS3218997+2221
📊

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