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BOSTON MARATHON 2025

Kate Dettelbach

Bib: 6864•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
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
25:12
Rank: #17444
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
51:45
Rank: #18796 (-1352)
5K → 10K
26:33 | 8:33/mi
15K· 9.32 mi
1:18:43
Rank: #19329 (-533)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:45:07
Rank: #19002 (+327)
15K → 20K
26:24 | 8:30/mi
Half· 13.11 mi
1:50:24
Rank: #18780 (+222)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:11:08
Rank: #18539 (+241)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:38:27
Rank: #18122 (+417)
25K → 30K
27:19 | 8:48/mi
20M
2:50:18
Rank: #17874 (+248)
30K → 20M
11:51 | 8:43/mi
21M
2:59:07
Rank: #17543 (+331)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
3:05:11
Rank: #17369 (+174)
21M → 35K
6:04 | 8:07/mi
23M
3:15:57
Rank: #17147 (+222)
35K → 23M
10:46 | 8:36/mi
24M
3:24:44
Rank: #17104 (+43)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:32:01
Rank: #16953 (+151)
24M → 40K
7:17 | 8:31/mi
25.2M
3:34:52
Rank: #16775 (+178)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:42:12
Rank: #16410 (+365)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:24
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0425:128:0725:12
8:07
-
10K
6.21 mi11:18:3751:458:2026:33
8:33
+0:26
15K
9.32 mi11:45:351:18:438:2726:58
8:41
+0:08
20K
12.43 mi12:11:591:45:078:2826:24
8:30
-0:11
Half
13.11 mi12:17:161:50:248:255:17
7:45
-0:45
25K
15.53 mi12:38:002:11:088:2620:44
8:33
+0:48
30K
18.64 mi13:05:192:38:278:3027:19
8:48
+0:15
20M
20.00 mi13:17:102:50:188:3111:51
8:43
-0:05
21M
21.00 mi13:25:592:59:078:328:49
8:49
+0:06
35K
21.75 mi13:32:033:05:118:316:04
8:07
-0:42
23M
23.00 mi13:42:493:15:578:3110:46
8:36
+0:29
24M
24.00 mi13:51:363:24:448:328:47
8:47
+0:11
40K
24.85 mi13:58:533:32:018:327:17
8:31
-0:16
25.2M
25.20 mi14:01:443:34:528:322:51
8:16
-0:15
Finish
26.22 mi14:09:043:42:128:297:20
7:12
-1:04

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

7:12 /mi

Average Pace

8:29 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:44

21% of race

Time at Steady Pace

2:10:33

59% of race

Time at Slower Pace

44:55

20% of race

Average Pace: 8:28 /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 mi10:52:0425:128:0725:12
8:07
#17444
10K
6.21 mi11:18:3751:458:2026:33
8:33
#18796
15K
9.32 mi11:45:351:18:438:2726:58
8:41
#19329
20K
12.43 mi12:11:591:45:078:2826:24
8:30
#19002
Half
13.11 mi12:17:161:50:248:255:17
7:45
#18780
25K
15.53 mi12:38:002:11:088:2620:44
8:33
#18539
30K
18.64 mi13:05:192:38:278:3027:19
8:48
#18122
20M
20.00 mi13:17:102:50:188:3111:51
8:43
#17874
21M
21.00 mi13:25:592:59:078:328:49
8:49
#17543
35K
21.75 mi13:32:033:05:118:316:04
8:07
#17369
23M
23.00 mi13:42:493:15:578:3110:46
8:36
#17147
24M
24.00 mi13:51:363:24:448:328:47
8:47
#17104
40K
24.85 mi13:58:533:32:018:327:17
8:31
#16953
25.2M
25.20 mi14:01:443:34:528:322:51
8:16
#16775
Finish
26.22 mi14:09:043:42:128:297:20
7:12
#16410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174445999599920364(Top 72%)7630(Top 62%)7630(Top 140%)
10K6.21 mi3.10 mi18796-13526791-7926791-79220067(Top 71%)7499(Top 61%)7499(Top 137%)
15K9.32 mi3.11 mi19329-5337076-2857076-28520364(Top 72%)7630(Top 62%)7630(Top 140%)
20K12.43 mi3.11 mi19002+3276906+1706906+17018224(Top 64%)6459(Top 53%)6459(Top 118%)
Half13.11 mi0.68 mi18780+2226779+1276779+12713868(Top 49%)4007(Top 33%)4007(Top 73%)
25K15.53 mi2.42 mi18539+2416661+1186661+11817494(Top 62%)6131(Top 50%)6131(Top 112%)
30K18.64 mi3.11 mi18122+4176464+1976464+19716569(Top 58%)5785(Top 47%)5785(Top 106%)
20M20.00 mi1.36 mi17874+2486351+1136351+11315211(Top 54%)5161(Top 42%)5161(Top 94%)
21M21.00 mi1.00 mi17543+3316191+1606191+16012454(Top 44%)3847(Top 31%)3847(Top 70%)
35K21.75 mi0.75 mi17369+1746119+726119+7213065(Top 46%)4213(Top 34%)4213(Top 77%)
23M23.00 mi1.25 mi17147+2226018+1016018+10113955(Top 49%)4785(Top 39%)4785(Top 87%)
24M24.00 mi1.00 mi17104+436015+36015+316242(Top 57%)6068(Top 50%)6068(Top 111%)
40K24.85 mi0.85 mi16953+1515960+555960+5513599(Top 48%)4765(Top 39%)4765(Top 87%)
25.2M25.20 mi0.35 mi16775+1785874+865874+867570(Top 27%)1910(Top 16%)1910(Top 35%)
Finish26.22 mi1.02 mi16410+3655675+1995675+1997071(Top 25%)1689(Top 14%)1689(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20364

Females

7630

F18-39

7630

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20067

Females

7499

F18-39

7499

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20364

Females

7630

F18-39

7630

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18224

Females

6459

F18-39

6459

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13868

Females

4007

F18-39

4007

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17494

Females

6131

F18-39

6131

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16569

Females

5785

F18-39

5785

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15211

Females

5161

F18-39

5161

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12454

Females

3847

F18-39

3847

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13065

Females

4213

F18-39

4213

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13955

Females

4785

F18-39

4785

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16242

Females

6068

F18-39

6068

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13599

Females

4765

F18-39

4765

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7570

Females

1910

F18-39

1910

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7071

Females

1689

F18-39

1689

Passing Analysis

Category:
Athletes Passed
3279
Passed By
2245
Net Change
+1034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17444
5K → 10K281380-1352#17444#18796
10K → 15K65598-533#18796#19329
15K → 20K38154+327#19329#19002
20K → Half2231+222#19002#18780
Half → 25K28241+241#18780#18539
25K → 30K47962+417#18539#18122
30K → 20M26113+248#18122#17874
20M → 21M3321+331#17874#17543
21M → 35K1773+174#17543#17369
35K → 23M24321+222#17369#17147
23M → 24M9956+43#17147#17104
24M → 40K16514+151#17104#16953
40K → 25.2M1780+178#16953#16775
25.2M → Finish3661+365#16775#16410
TOTALS32792245+1034
📊

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