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BOSTON MARATHON 2025

Alyssa Totzke

Bib: 17181•F

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
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
25:23
Rank: #17910
Start → 5K
25:23 | 8:10/mi
10K· 6.21 mi
51:07
Rank: #18150 (-240)
5K → 10K
25:44 | 8:17/mi
15K· 9.32 mi
1:16:54
Rank: #18111 (+39)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:43:32
Rank: #18198 (-87)
15K → 20K
26:38 | 8:34/mi
Half· 13.11 mi
1:49:10
Rank: #18146 (+52)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:09:24
Rank: #17779 (+367)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:36:45
Rank: #17528 (+251)
25K → 30K
27:21 | 8:48/mi
20M
2:48:46
Rank: #17384 (+144)
30K → 20M
12:01 | 8:51/mi
21M
2:58:00
Rank: #17203 (+181)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
3:04:33
Rank: #17185 (+18)
21M → 35K
6:33 | 8:45/mi
23M
3:15:45
Rank: #17084 (+101)
35K → 23M
11:12 | 8:57/mi
24M
3:24:32
Rank: #17049 (+35)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:32:11
Rank: #17004 (+45)
24M → 40K
7:39 | 8:57/mi
25.2M
3:35:23
Rank: #16930 (+74)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:43:01
Rank: #16628 (+302)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:10
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:53:51
Pace8:41 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3425:238:1025:23
8:10
-
10K
6.21 mi11:41:1851:078:1425:44
8:17
+0:07
15K
9.32 mi12:07:051:16:548:1525:47
8:18
+0:01
20K
12.43 mi12:33:431:43:328:2026:38
8:34
+0:16
Half
13.11 mi12:39:211:49:108:205:38
8:15
-0:19
25K
15.53 mi12:59:352:09:248:2020:14
8:21
+0:06
30K
18.64 mi13:26:562:36:458:2527:21
8:48
+0:27
20M
20.00 mi13:38:572:48:468:2612:01
8:51
+0:03
21M
21.00 mi13:48:112:58:008:299:14
9:14
+0:23
35K
21.75 mi13:54:443:04:338:296:33
8:45
-0:29
23M
23.00 mi14:05:563:15:458:3111:12
8:57
+0:12
24M
24.00 mi14:14:433:24:328:318:47
8:47
-0:10
40K
24.85 mi14:22:223:32:118:327:39
8:57
+0:10
25.2M
25.20 mi14:25:343:35:238:333:12
9:17
+0:20
Finish
26.22 mi14:33:123:43:018:317:38
7:29
-1:48

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

7:29 /mi

Average Pace

8:31 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:24

50% of race

Time at Steady Pace

1:40:11

45% of race

Time at Slower Pace

12:26

6% of race

Average Pace: 8:30 /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 mi11:15:3425:238:1025:23
8:10
#17910
10K
6.21 mi11:41:1851:078:1425:44
8:17
#18150
15K
9.32 mi12:07:051:16:548:1525:47
8:18
#18111
20K
12.43 mi12:33:431:43:328:2026:38
8:34
#18198
Half
13.11 mi12:39:211:49:108:205:38
8:15
#18146
25K
15.53 mi12:59:352:09:248:2020:14
8:21
#17779
30K
18.64 mi13:26:562:36:458:2527:21
8:48
#17528
20M
20.00 mi13:38:572:48:468:2612:01
8:51
#17384
21M
21.00 mi13:48:112:58:008:299:14
9:14
#17203
35K
21.75 mi13:54:443:04:338:296:33
8:45
#17185
23M
23.00 mi14:05:563:15:458:3111:12
8:57
#17084
24M
24.00 mi14:14:433:24:328:318:47
8:47
#17049
40K
24.85 mi14:22:223:32:118:327:39
8:57
#17004
25.2M
25.20 mi14:25:343:35:238:333:12
9:17
#16930
Finish
26.22 mi14:33:123:43:018:317:38
7:29
#16628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179106286628618050(Top 64%)6348(Top 52%)6348(Top 116%)
10K6.21 mi3.10 mi18150-2406419-1336419-13318437(Top 65%)6561(Top 54%)6561(Top 120%)
15K9.32 mi3.11 mi18111+396394+256394+2518050(Top 64%)6348(Top 52%)6348(Top 116%)
20K12.43 mi3.11 mi18198-876457-636457-6318686(Top 66%)6733(Top 55%)6733(Top 123%)
Half13.11 mi0.68 mi18146+526427+306427+3017683(Top 62%)6137(Top 50%)6137(Top 112%)
25K15.53 mi2.42 mi17779+3676222+2056222+20516226(Top 57%)5441(Top 44%)5441(Top 99%)
30K18.64 mi3.11 mi17528+2516138+846138+8416629(Top 59%)5821(Top 48%)5821(Top 106%)
20M20.00 mi1.36 mi17384+1446072+666072+6615920(Top 56%)5547(Top 45%)5547(Top 101%)
21M21.00 mi1.00 mi17203+1815993+795993+7914849(Top 52%)5089(Top 42%)5089(Top 93%)
35K21.75 mi0.75 mi17185+186012-196012-1917040(Top 60%)6361(Top 52%)6361(Top 116%)
23M23.00 mi1.25 mi17084+1015987+255987+2515968(Top 56%)5868(Top 48%)5868(Top 107%)
24M24.00 mi1.00 mi17049+355988-15988-116244(Top 57%)6070(Top 50%)6070(Top 111%)
40K24.85 mi0.85 mi17004+455986+25986+216021(Top 56%)6048(Top 49%)6048(Top 111%)
25.2M25.20 mi0.35 mi16930+745959+275959+2713448(Top 47%)4757(Top 39%)4757(Top 87%)
Finish26.22 mi1.02 mi16628+3025804+1555804+1559167(Top 32%)2624(Top 21%)2624(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18050

Females

6348

F18-39

6348

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18437

Females

6561

F18-39

6561

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18050

Females

6348

F18-39

6348

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18686

Females

6733

F18-39

6733

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17683

Females

6137

F18-39

6137

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16226

Females

5441

F18-39

5441

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16629

Females

5821

F18-39

5821

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15920

Females

5547

F18-39

5547

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14849

Females

5089

F18-39

5089

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17040

Females

6361

F18-39

6361

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15968

Females

5868

F18-39

5868

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16244

Females

6070

F18-39

6070

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16021

Females

6048

F18-39

6048

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13448

Females

4757

F18-39

4757

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9167

Females

2624

F18-39

2624

Passing Analysis

Category:
Athletes Passed
2538
Passed By
1256
Net Change
+1282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17910
5K → 10K190430-240#17910#18150
10K → 15K203164+39#18150#18111
15K → 20K160247-87#18111#18198
20K → Half6715+52#18198#18146
Half → 25K38720+367#18146#17779
25K → 30K34695+251#17779#17528
30K → 20M18339+144#17528#17384
20M → 21M20726+181#17384#17203
21M → 35K7254+18#17203#17185
35K → 23M15554+101#17185#17084
23M → 24M10065+35#17084#17049
24M → 40K8742+45#17049#17004
40K → 25.2M773+74#17004#16930
25.2M → Finish3042+302#16930#16628
TOTALS25381256+1282
📊

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