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BOSTON MARATHON 2025

Elizabeth Kanzleiter

Bib: 7530•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:26
Rank: #4421
Start → 5K
20:26 | 6:35/mi
10K· 6.21 mi
40:36
Rank: #4015 (+406)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:41
Rank: #3771 (+244)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:52
Rank: #3569 (+202)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:25:16
Rank: #3545 (+24)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:00
Rank: #3397 (+148)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:01:34
Rank: #3166 (+231)
25K → 30K
20:34 | 6:37/mi
20M
2:10:38
Rank: #3055 (+111)
30K → 20M
9:04 | 6:40/mi
21M
2:17:34
Rank: #2962 (+93)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:22:26
Rank: #2898 (+64)
21M → 35K
4:52 | 6:30/mi
23M
2:30:49
Rank: #2817 (+81)
35K → 23M
8:23 | 6:42/mi
24M
2:37:35
Rank: #2803 (+14)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:43:34
Rank: #2818 (-15)
24M → 40K
5:59 | 7:00/mi
25.2M
2:46:14
Rank: #2824 (-6)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:53:12
Rank: #2851 (-27)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:16
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2420:266:3520:26
6:35
-
10K
6.21 mi10:48:3440:366:3220:10
6:29
-0:06
15K
9.32 mi11:08:391:00:416:3120:05
6:28
-0:01
20K
12.43 mi11:28:501:20:526:3020:11
6:30
+0:02
Half
13.11 mi11:33:141:25:166:304:24
6:27
-0:03
25K
15.53 mi11:48:581:41:006:3015:44
6:29
+0:02
30K
18.64 mi12:09:322:01:346:3120:34
6:37
+0:08
20M
20.00 mi12:18:362:10:386:329:04
6:40
+0:03
21M
21.00 mi12:25:322:17:346:336:56
6:56
+0:16
35K
21.75 mi12:30:242:22:266:334:52
6:30
-0:26
23M
23.00 mi12:38:472:30:496:338:23
6:42
+0:12
24M
24.00 mi12:45:332:37:356:346:46
6:46
+0:04
40K
24.85 mi12:51:322:43:346:355:59
7:00
+0:14
25.2M
25.20 mi12:54:122:46:146:362:40
7:44
+0:44
Finish
26.22 mi13:01:102:53:126:376:58
6:50
-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

6:27 /mi

Average Pace

6:37 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:32

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:40

2% of race

Average Pace: 6:36 /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 mi10:28:2420:266:3520:26
6:35
#4421
10K
6.21 mi10:48:3440:366:3220:10
6:29
#4015
15K
9.32 mi11:08:391:00:416:3120:05
6:28
#3771
20K
12.43 mi11:28:501:20:526:3020:11
6:30
#3569
Half
13.11 mi11:33:141:25:166:304:24
6:27
#3545
25K
15.53 mi11:48:581:41:006:3015:44
6:29
#3397
30K
18.64 mi12:09:322:01:346:3120:34
6:37
#3166
20M
20.00 mi12:18:362:10:386:329:04
6:40
#3055
21M
21.00 mi12:25:322:17:346:336:56
6:56
#2962
35K
21.75 mi12:30:242:22:266:334:52
6:30
#2898
23M
23.00 mi12:38:472:30:496:338:23
6:42
#2817
24M
24.00 mi12:45:332:37:356:346:46
6:46
#2803
40K
24.85 mi12:51:322:43:346:355:59
7:00
#2818
25.2M
25.20 mi12:54:122:46:146:362:40
7:44
#2824
Finish
26.22 mi13:01:102:53:126:376:58
6:50
#2851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi44212572573349(Top 12%)164(Top 1%)164(Top 3%)
10K6.21 mi3.10 mi4015+406217+40217+403677(Top 13%)196(Top 2%)196(Top 4%)
15K9.32 mi3.11 mi3771+244201+16201+163349(Top 12%)164(Top 1%)164(Top 3%)
20K12.43 mi3.11 mi3569+202182+19182+193123(Top 11%)151(Top 1%)151(Top 3%)
Half13.11 mi0.68 mi3545+24179+3179+33435(Top 12%)170(Top 1%)170(Top 3%)
25K15.53 mi2.42 mi3397+148162+17162+172848(Top 10%)132(Top 1%)132(Top 2%)
30K18.64 mi3.11 mi3166+231150+12150+122510(Top 9%)127(Top 1%)127(Top 2%)
20M20.00 mi1.36 mi3055+111149+1149+12356(Top 8%)122(Top 1.0%)122(Top 2%)
21M21.00 mi1.00 mi2962+93144+5144+52028(Top 7%)114(Top 0.9%)114(Top 2%)
35K21.75 mi0.75 mi2898+64141+3141+32536(Top 9%)166(Top 1%)166(Top 3%)
23M23.00 mi1.25 mi2817+81139+2139+22259(Top 8%)143(Top 1%)143(Top 3%)
24M24.00 mi1.00 mi2803+14140-1140-13358(Top 12%)324(Top 3%)324(Top 6%)
40K24.85 mi0.85 mi2818-15143-3143-33922(Top 14%)472(Top 4%)472(Top 9%)
25.2M25.20 mi0.35 mi2824-61431434566(Top 16%)713(Top 6%)713(Top 13%)
Finish26.22 mi1.02 mi2851-27148-5148-54736(Top 17%)761(Top 6%)761(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3349

Females

164

F18-39

164

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3677

Females

196

F18-39

196

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3349

Females

164

F18-39

164

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3123

Females

151

F18-39

151

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3435

Females

170

F18-39

170

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2848

Females

132

F18-39

132

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2510

Females

127

F18-39

127

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2356

Females

122

F18-39

122

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2028

Females

114

F18-39

114

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2536

Females

166

F18-39

166

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2259

Females

143

F18-39

143

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3358

Females

324

F18-39

324

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3922

Females

472

F18-39

472

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4566

Females

713

F18-39

713

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4736

Females

761

F18-39

761

Passing Analysis

Category:
Athletes Passed
1856
Passed By
286
Net Change
+1570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4421
5K → 10K44034+406#4421#4015
10K → 15K25915+244#4015#3771
15K → 20K21614+202#3771#3569
20K → Half3410+24#3569#3545
Half → 25K16214+148#3545#3397
25K → 30K24211+231#3397#3166
30K → 20M12211+111#3166#3055
20M → 21M1018+93#3055#2962
21M → 35K673+64#2962#2898
35K → 23M9413+81#2898#2817
23M → 24M4329+14#2817#2803
24M → 40K3651-15#2803#2818
40K → 25.2M1420-6#2818#2824
25.2M → Finish2653-27#2824#2851
TOTALS1856286+1570
📊

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