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BOSTON MARATHON 2025

Kathrin Siegel

Bib: 18779•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:25
Rank: #15344
Start → 5K
24:25 | 7:52/mi
10K· 6.21 mi
48:34
Rank: #14918 (+426)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:13:22
Rank: #15257 (-339)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:39:23
Rank: #15904 (-647)
15K → 20K
26:01 | 8:22/mi
Half· 13.11 mi
1:44:51
Rank: #15907 (-3)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:38
Rank: #16227 (-320)
Half → 25K
20:47 | 8:34/mi
30K· 18.64 mi
2:31:55
Rank: #15869 (+358)
25K → 30K
26:17 | 8:28/mi
20M
2:43:38
Rank: #15721 (+148)
30K → 20M
11:43 | 8:37/mi
21M
2:53:18
Rank: #15773 (-52)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:00:05
Rank: #15835 (-62)
21M → 35K
6:47 | 9:04/mi
23M
3:11:08
Rank: #15748 (+87)
35K → 23M
11:03 | 8:50/mi
24M
3:19:33
Rank: #15664 (+84)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:27:05
Rank: #15628 (+36)
24M → 40K
7:32 | 8:49/mi
25.2M
3:30:16
Rank: #15586 (+42)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:38:42
Rank: #15533 (+53)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:51
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:53:51
Pace8:41 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4624:257:5224:25
7:52
-
10K
6.21 mi12:03:5548:347:4924:09
7:46
-0:06
15K
9.32 mi12:28:431:13:227:5224:48
7:59
+0:13
20K
12.43 mi12:54:441:39:238:0026:01
8:22
+0:23
Half
13.11 mi13:00:121:44:518:005:28
8:01
-0:21
25K
15.53 mi13:20:592:05:388:0520:47
8:34
+0:33
30K
18.64 mi13:47:162:31:558:0926:17
8:28
-0:06
20M
20.00 mi13:58:592:43:388:1111:43
8:37
+0:09
21M
21.00 mi14:08:392:53:188:159:40
9:40
+1:03
35K
21.75 mi14:15:263:00:058:176:47
9:04
-0:36
23M
23.00 mi14:26:293:11:088:1911:03
8:50
-0:14
24M
24.00 mi14:34:543:19:338:198:25
8:25
-0:25
40K
24.85 mi14:42:263:27:058:207:32
8:49
+0:24
25.2M
25.20 mi14:45:373:30:168:213:11
9:14
+0:25
Finish
26.22 mi14:54:033:38:428:218:26
8:17
-0:57

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

7:46 /mi

Average Pace

8:21 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:50

36% of race

Time at Steady Pace

1:41:39

46% of race

Time at Slower Pace

38:13

17% of race

Average Pace: 8:20 /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 mi11:39:4624:257:5224:25
7:52
#15344
10K
6.21 mi12:03:5548:347:4924:09
7:46
#14918
15K
9.32 mi12:28:431:13:227:5224:48
7:59
#15257
20K
12.43 mi12:54:441:39:238:0026:01
8:22
#15904
Half
13.11 mi13:00:121:44:518:005:28
8:01
#15907
25K
15.53 mi13:20:592:05:388:0520:47
8:34
#16227
30K
18.64 mi13:47:162:31:558:0926:17
8:28
#15869
20M
20.00 mi13:58:592:43:388:1111:43
8:37
#15721
21M
21.00 mi14:08:392:53:188:159:40
9:40
#15773
35K
21.75 mi14:15:263:00:058:176:47
9:04
#15835
23M
23.00 mi14:26:293:11:088:1911:03
8:50
#15748
24M
24.00 mi14:34:543:19:338:198:25
8:25
#15664
40K
24.85 mi14:42:263:27:058:207:32
8:49
#15628
25.2M
25.20 mi14:45:373:30:168:213:11
9:14
#15586
Finish
26.22 mi14:54:033:38:428:218:26
8:17
#15533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi153444747474715916(Top 56%)5098(Top 42%)5098(Top 297%)
10K6.21 mi3.10 mi14918+4264507+2404507+24014586(Top 51%)4310(Top 35%)4310(Top 251%)
15K9.32 mi3.11 mi15257-3394713-2064713-20615916(Top 56%)5098(Top 42%)5098(Top 297%)
20K12.43 mi3.11 mi15904-6475095-3825095-38217391(Top 61%)5995(Top 49%)5995(Top 349%)
Half13.11 mi0.68 mi15907-35096-15096-116063(Top 57%)5224(Top 43%)5224(Top 304%)
25K15.53 mi2.42 mi16227-3205295-1995295-19917627(Top 62%)6202(Top 51%)6202(Top 361%)
30K18.64 mi3.11 mi15869+3585149+1465149+14614527(Top 51%)4646(Top 38%)4646(Top 270%)
20M20.00 mi1.36 mi15721+1485107+425107+4214585(Top 51%)4826(Top 39%)4826(Top 281%)
21M21.00 mi1.00 mi15773-525177-705177-7016879(Top 59%)6189(Top 51%)6189(Top 360%)
35K21.75 mi0.75 mi15835-625228-515228-5118576(Top 65%)7230(Top 59%)7230(Top 421%)
23M23.00 mi1.25 mi15748+875222+65222+615256(Top 54%)5466(Top 45%)5466(Top 318%)
24M24.00 mi1.00 mi15664+845187+355187+3514022(Top 49%)4841(Top 40%)4841(Top 282%)
40K24.85 mi0.85 mi15628+365198-115198-1115266(Top 54%)5668(Top 46%)5668(Top 330%)
25.2M25.20 mi0.35 mi15586+425186+125186+1213177(Top 46%)4596(Top 38%)4596(Top 268%)
Finish26.22 mi1.02 mi15533+535172+145172+1414792(Top 52%)5365(Top 44%)5365(Top 312%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15916

Females

5098

F40-44

5098

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14586

Females

4310

F40-44

4310

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15916

Females

5098

F40-44

5098

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17391

Females

5995

F40-44

5995

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16063

Females

5224

F40-44

5224

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17627

Females

6202

F40-44

6202

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14527

Females

4646

F40-44

4646

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14585

Females

4826

F40-44

4826

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16879

Females

6189

F40-44

6189

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18576

Females

7230

F40-44

7230

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15256

Females

5466

F40-44

5466

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

14022

Females

4841

F40-44

4841

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15266

Females

5668

F40-44

5668

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13177

Females

4596

F40-44

4596

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14792

Females

5365

F40-44

5365

Passing Analysis

Category:
Athletes Passed
2090
Passed By
2279
Net Change
-189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15344
5K → 10K553127+426#15344#14918
10K → 15K111450-339#14918#15257
15K → 20K69716-647#15257#15904
20K → Half3639-3#15904#15907
Half → 25K89409-320#15907#16227
25K → 30K41456+358#16227#15869
30K → 20M19547+148#15869#15721
20M → 21M94146-52#15721#15773
21M → 35K51113-62#15773#15835
35K → 23M14760+87#15835#15748
23M → 24M10824+84#15748#15664
24M → 40K8953+36#15664#15628
40K → 25.2M486+42#15628#15586
25.2M → Finish8633+53#15586#15533
TOTALS20902279-189
📊

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