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BOSTON MARATHON 2025

April Lieschke

Bib: 15080•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #9001
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
44:10
Rank: #8709 (+292)
5K → 10K
21:59 | 7:05/mi
15K· 9.32 mi
1:06:12
Rank: #8502 (+207)
10K → 15K
22:02 | 7:06/mi
20K· 12.43 mi
1:28:41
Rank: #8434 (+68)
15K → 20K
22:29 | 7:14/mi
Half· 13.11 mi
1:33:39
Rank: #8492 (-58)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:52:11
Rank: #8879 (-387)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:18:11
Rank: #9816 (-937)
25K → 30K
26:00 | 8:22/mi
20M
2:29:59
Rank: #10249 (-433)
30K → 20M
11:48 | 8:41/mi
21M
2:39:04
Rank: #10484 (-235)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:45:41
Rank: #10760 (-276)
21M → 35K
6:37 | 8:51/mi
23M
2:56:54
Rank: #11061 (-301)
35K → 23M
11:13 | 8:58/mi
24M
3:05:07
Rank: #11115 (-54)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:13:14
Rank: #11475 (-360)
24M → 40K
8:07 | 9:30/mi
25.2M
3:16:53
Rank: #11657 (-182)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
3:24:48
Rank: #11619 (+38)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:39
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3222:117:0822:11
7:08
-
10K
6.21 mi11:16:3144:107:0621:59
7:05
-0:03
15K
9.32 mi11:38:331:06:127:0622:02
7:06
+0:01
20K
12.43 mi12:01:021:28:417:0822:29
7:14
+0:08
Half
13.11 mi12:06:001:33:397:094:58
7:17
+0:03
25K
15.53 mi12:24:321:52:117:1318:32
7:39
+0:22
30K
18.64 mi12:50:322:18:117:2526:00
8:22
+0:43
20M
20.00 mi13:02:202:29:597:3011:48
8:41
+0:19
21M
21.00 mi13:11:252:39:047:349:05
9:05
+0:24
35K
21.75 mi13:18:022:45:417:376:37
8:51
-0:14
23M
23.00 mi13:29:152:56:547:4111:13
8:58
+0:07
24M
24.00 mi13:37:283:05:077:438:13
8:13
-0:45
40K
24.85 mi13:45:353:13:147:468:07
9:30
+1:17
25.2M
25.20 mi13:49:143:16:537:493:39
10:35
+1:05
Finish
26.22 mi13:57:093:24:487:497:55
7:46
-2:49

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

7:05 /mi

Average Pace

7:49 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:11

55% of race

Time at Steady Pace

53:56

26% of race

Time at Slower Pace

38:41

19% of race

Average Pace: 7:49 /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 mi10:54:3222:117:0822:11
7:08
#9001
10K
6.21 mi11:16:3144:107:0621:59
7:05
#8709
15K
9.32 mi11:38:331:06:127:0622:02
7:06
#8502
20K
12.43 mi12:01:021:28:417:0822:29
7:14
#8434
Half
13.11 mi12:06:001:33:397:094:58
7:17
#8492
25K
15.53 mi12:24:321:52:117:1318:32
7:39
#8879
30K
18.64 mi12:50:322:18:117:2526:00
8:22
#9816
20M
20.00 mi13:02:202:29:597:3011:48
8:41
#10249
21M
21.00 mi13:11:252:39:047:349:05
9:05
#10484
35K
21.75 mi13:18:022:45:417:376:37
8:51
#10760
23M
23.00 mi13:29:152:56:547:4111:13
8:58
#11061
24M
24.00 mi13:37:283:05:077:438:13
8:13
#11115
40K
24.85 mi13:45:353:13:147:468:07
9:30
#11475
25.2M
25.20 mi13:49:143:16:537:493:39
10:35
#11657
Finish
26.22 mi13:57:093:24:487:497:55
7:46
#11619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9001137713778302(Top 29%)1163(Top 10%)1163(Top 21%)
10K6.21 mi3.10 mi8709+2921260+1171260+1178489(Top 30%)1182(Top 10%)1182(Top 22%)
15K9.32 mi3.11 mi8502+2071193+671193+678302(Top 29%)1163(Top 10%)1163(Top 21%)
20K12.43 mi3.11 mi8434+681200-71200-78523(Top 30%)1327(Top 11%)1327(Top 24%)
Half13.11 mi0.68 mi8492-581220-201220-209926(Top 35%)1942(Top 16%)1942(Top 36%)
25K15.53 mi2.42 mi8879-3871396-1761396-17611113(Top 39%)2646(Top 22%)2646(Top 48%)
30K18.64 mi3.11 mi9816-9371877-4811877-48113948(Top 49%)4334(Top 35%)4334(Top 79%)
20M20.00 mi1.36 mi10249-4332117-2402117-24014946(Top 53%)5005(Top 41%)5005(Top 92%)
21M21.00 mi1.00 mi10484-2352288-1712288-17114004(Top 49%)4626(Top 38%)4626(Top 85%)
35K21.75 mi0.75 mi10760-2762445-1572445-15717481(Top 62%)6607(Top 54%)6607(Top 121%)
23M23.00 mi1.25 mi11061-3012647-2022647-20216035(Top 56%)5900(Top 48%)5900(Top 108%)
24M24.00 mi1.00 mi11115-542716-692716-6912697(Top 45%)4152(Top 34%)4152(Top 76%)
40K24.85 mi0.85 mi11475-3602941-2252941-22518692(Top 66%)7468(Top 61%)7468(Top 137%)
25.2M25.20 mi0.35 mi11657-1823041-1003041-10019302(Top 68%)7790(Top 64%)7790(Top 142%)
Finish26.22 mi1.02 mi11619+383066-253066-2511231(Top 40%)3567(Top 29%)3567(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8302

Females

1163

F18-39

1163

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8489

Females

1182

F18-39

1182

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8302

Females

1163

F18-39

1163

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8523

Females

1327

F18-39

1327

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9926

Females

1942

F18-39

1942

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11113

Females

2646

F18-39

2646

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13948

Females

4334

F18-39

4334

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14946

Females

5005

F18-39

5005

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

14004

Females

4626

F18-39

4626

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17481

Females

6607

F18-39

6607

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

16035

Females

5900

F18-39

5900

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12697

Females

4152

F18-39

4152

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18692

Females

7468

F18-39

7468

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19302

Females

7790

F18-39

7790

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11231

Females

3567

F18-39

3567

Passing Analysis

Category:
Athletes Passed
1348
Passed By
3964
Net Change
-2618
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9001
5K → 10K39199+292#9001#8709
10K → 15K28477+207#8709#8502
15K → 20K201133+68#8502#8434
20K → Half1573-58#8434#8492
Half → 25K63450-387#8492#8879
25K → 30K57994-937#8879#9816
30K → 20M37468-433#9816#10249
20M → 21M50285-235#10249#10484
21M → 35K10286-276#10484#10760
35K → 23M44345-301#10760#11061
23M → 24M70124-54#11061#11115
24M → 40K12372-360#11115#11475
40K → 25.2M4186-182#11475#11657
25.2M → Finish11072+38#11657#11619
TOTALS13483964-2618
📊

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