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BOSTON MARATHON 2025

Rachel Hyzny

Bib: 12844•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #6576
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:19
Rank: #6416 (+160)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:27
Rank: #6284 (+132)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:25:03
Rank: #6351 (-67)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:29:41
Rank: #6331 (+20)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:53
Rank: #6427 (-96)
Half → 25K
17:12 | 7:06/mi
30K· 18.64 mi
2:09:52
Rank: #6449 (-22)
25K → 30K
22:59 | 7:24/mi
20M
2:20:17
Rank: #6474 (-25)
30K → 20M
10:25 | 7:40/mi
21M
2:28:35
Rank: #6537 (-63)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:34:08
Rank: #6547 (-10)
21M → 35K
5:33 | 7:25/mi
23M
2:43:34
Rank: #6489 (+58)
35K → 23M
9:26 | 7:32/mi
24M
2:50:54
Rank: #6441 (+48)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:57:12
Rank: #6381 (+60)
24M → 40K
6:18 | 7:22/mi
25.2M
3:00:01
Rank: #6362 (+19)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:07:05
Rank: #6250 (+112)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:41
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4821:136:5021:13
6:50
-
10K
6.21 mi11:09:5442:196:4921:06
6:47
-0:03
15K
9.32 mi11:31:021:03:276:4821:08
6:48
+0:01
20K
12.43 mi11:52:381:25:036:5121:36
6:57
+0:09
Half
13.11 mi11:57:161:29:416:504:38
6:47
-0:10
25K
15.53 mi12:14:281:46:536:5317:12
7:06
+0:19
30K
18.64 mi12:37:272:09:526:5822:59
7:24
+0:18
20M
20.00 mi12:47:522:20:177:0110:25
7:40
+0:16
21M
21.00 mi12:56:102:28:357:058:18
8:18
+0:38
35K
21.75 mi13:01:432:34:087:055:33
7:25
-0:53
23M
23.00 mi13:11:092:43:347:079:26
7:32
+0:07
24M
24.00 mi13:18:292:50:547:077:20
7:20
-0:12
40K
24.85 mi13:24:472:57:127:086:18
7:22
+0:02
25.2M
25.20 mi13:27:363:00:017:092:49
8:10
+0:48
Finish
26.22 mi13:34:403:07:057:087:04
6:56
-1:14

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

6:47 /mi

Average Pace

7:08 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:57

61% of race

Time at Steady Pace

51:36

28% of race

Time at Slower Pace

21:32

12% of race

Average Pace: 7:08 /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 mi10:48:4821:136:5021:13
6:50
#6576
10K
6.21 mi11:09:5442:196:4921:06
6:47
#6416
15K
9.32 mi11:31:021:03:276:4821:08
6:48
#6284
20K
12.43 mi11:52:381:25:036:5121:36
6:57
#6351
Half
13.11 mi11:57:161:29:416:504:38
6:47
#6331
25K
15.53 mi12:14:281:46:536:5317:12
7:06
#6427
30K
18.64 mi12:37:272:09:526:5822:59
7:24
#6449
20M
20.00 mi12:47:522:20:177:0110:25
7:40
#6474
21M
21.00 mi12:56:102:28:357:058:18
8:18
#6537
35K
21.75 mi13:01:432:34:087:055:33
7:25
#6547
23M
23.00 mi13:11:092:43:347:079:26
7:32
#6489
24M
24.00 mi13:18:292:50:547:077:20
7:20
#6441
40K
24.85 mi13:24:472:57:127:086:18
7:22
#6381
25.2M
25.20 mi13:27:363:00:017:092:49
8:10
#6362
Finish
26.22 mi13:34:403:07:057:087:04
6:56
#6250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65765875876126(Top 22%)553(Top 5%)553(Top 10%)
10K6.21 mi3.10 mi6416+160555+32555+326328(Top 22%)570(Top 5%)570(Top 10%)
15K9.32 mi3.11 mi6284+132537+18537+186126(Top 22%)553(Top 5%)553(Top 10%)
20K12.43 mi3.11 mi6351-67577-40577-406612(Top 23%)683(Top 6%)683(Top 12%)
Half13.11 mi0.68 mi6331+205775776170(Top 22%)583(Top 5%)583(Top 11%)
25K15.53 mi2.42 mi6427-96604-27604-276950(Top 24%)846(Top 7%)846(Top 15%)
30K18.64 mi3.11 mi6449-22641-37641-377038(Top 25%)1021(Top 8%)1021(Top 19%)
20M20.00 mi1.36 mi6474-25667-26667-268138(Top 29%)1584(Top 13%)1584(Top 29%)
21M21.00 mi1.00 mi6537-63709-42709-429226(Top 32%)2250(Top 18%)2250(Top 41%)
35K21.75 mi0.75 mi6547-10729-20729-208073(Top 28%)1699(Top 14%)1699(Top 31%)
23M23.00 mi1.25 mi6489+58735-6735-66835(Top 24%)1318(Top 11%)1318(Top 24%)
24M24.00 mi1.00 mi6441+48739-4739-46630(Top 23%)1298(Top 11%)1298(Top 24%)
40K24.85 mi0.85 mi6381+60752-13752-136038(Top 21%)1146(Top 9%)1146(Top 21%)
25.2M25.20 mi0.35 mi6362+19758-6758-66898(Top 24%)1570(Top 13%)1570(Top 29%)
Finish26.22 mi1.02 mi6250+112746+12746+125335(Top 19%)981(Top 8%)981(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6126

Females

553

F18-39

553

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6328

Females

570

F18-39

570

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6126

Females

553

F18-39

553

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6612

Females

683

F18-39

683

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6170

Females

583

F18-39

583

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6950

Females

846

F18-39

846

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7038

Females

1021

F18-39

1021

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8138

Females

1584

F18-39

1584

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9226

Females

2250

F18-39

2250

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8073

Females

1699

F18-39

1699

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6835

Females

1318

F18-39

1318

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6630

Females

1298

F18-39

1298

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6038

Females

1146

F18-39

1146

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6898

Females

1570

F18-39

1570

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5335

Females

981

F18-39

981

Passing Analysis

Category:
Athletes Passed
1513
Passed By
1187
Net Change
+326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6576
5K → 10K264104+160#6576#6416
10K → 15K21987+132#6416#6284
15K → 20K116183-67#6284#6351
20K → Half3818+20#6351#6331
Half → 25K94190-96#6331#6427
25K → 30K172194-22#6427#6449
30K → 20M80105-25#6449#6474
20M → 21M46109-63#6474#6537
21M → 35K4555-10#6537#6547
35K → 23M11557+58#6547#6489
23M → 24M7830+48#6489#6441
24M → 40K8828+60#6441#6381
40K → 25.2M3415+19#6381#6362
25.2M → Finish12412+112#6362#6250
TOTALS15131187+326
📊

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