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BOSTON MARATHON 2025

Krystyna Knight

Bib: 15445•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:38
Rank: #10208
Start → 5K
22:38 | 7:17/mi
10K· 6.21 mi
44:53
Rank: #9660 (+548)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:20
Rank: #9535 (+125)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:29:38
Rank: #9112 (+423)
15K → 20K
22:18 | 7:11/mi
Half· 13.11 mi
1:34:26
Rank: #9022 (+90)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:51:34
Rank: #8534 (+488)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:14:33
Rank: #8168 (+366)
25K → 30K
22:59 | 7:24/mi
20M
2:24:42
Rank: #8020 (+148)
30K → 20M
10:09 | 7:28/mi
21M
2:32:53
Rank: #7963 (+57)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:38:15
Rank: #7871 (+92)
21M → 35K
5:22 | 7:10/mi
23M
2:48:32
Rank: #8044 (-173)
35K → 23M
10:17 | 8:13/mi
24M
2:55:48
Rank: #7919 (+125)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:02:21
Rank: #7865 (+54)
24M → 40K
6:33 | 7:40/mi
25.2M
3:05:08
Rank: #7813 (+52)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:12:20
Rank: #7705 (+108)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:26
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:37:54
Pace7:28 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1422:387:1722:38
7:17
-
10K
6.21 mi11:41:2944:537:1322:15
7:10
-0:07
15K
9.32 mi12:03:561:07:207:1322:27
7:14
+0:04
20K
12.43 mi12:26:141:29:387:1322:18
7:11
-0:03
Half
13.11 mi12:31:021:34:267:124:48
7:02
-0:09
25K
15.53 mi12:48:101:51:347:1117:08
7:04
+0:02
30K
18.64 mi13:11:092:14:337:1322:59
7:24
+0:20
20M
20.00 mi13:21:182:24:427:1410:09
7:28
+0:04
21M
21.00 mi13:29:292:32:537:178:11
8:11
+0:43
35K
21.75 mi13:34:512:38:157:175:22
7:10
-1:01
23M
23.00 mi13:45:082:48:327:2010:17
8:13
+1:03
24M
24.00 mi13:52:242:55:487:207:16
7:16
-0:57
40K
24.85 mi13:58:573:02:217:206:33
7:40
+0:24
25.2M
25.20 mi14:01:443:05:087:212:47
8:04
+0:24
Finish
26.22 mi14:08:563:12:207:207:12
7:04
-1:00

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

7:02 /mi

Average Pace

7:20 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:05

89% of race

Time at Steady Pace

21:15

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi11:19:1422:387:1722:38
7:17
#10208
10K
6.21 mi11:41:2944:537:1322:15
7:10
#9660
15K
9.32 mi12:03:561:07:207:1322:27
7:14
#9535
20K
12.43 mi12:26:141:29:387:1322:18
7:11
#9112
Half
13.11 mi12:31:021:34:267:124:48
7:02
#9022
25K
15.53 mi12:48:101:51:347:1117:08
7:04
#8534
30K
18.64 mi13:11:092:14:337:1322:59
7:24
#8168
20M
20.00 mi13:21:182:24:427:1410:09
7:28
#8020
21M
21.00 mi13:29:292:32:537:178:11
8:11
#7963
35K
21.75 mi13:34:512:38:157:175:22
7:10
#7871
23M
23.00 mi13:45:082:48:327:2010:17
8:13
#8044
24M
24.00 mi13:52:242:55:487:207:16
7:16
#7919
40K
24.85 mi13:58:573:02:217:206:33
7:40
#7865
25.2M
25.20 mi14:01:443:05:087:212:47
8:04
#7813
Finish
26.22 mi14:08:563:12:207:207:12
7:04
#7705
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10208189818989346(Top 33%)1581(Top 13%)1581(Top 29%)
10K6.21 mi3.10 mi9660+5481645+2531645+2539179(Top 32%)1452(Top 12%)1452(Top 27%)
15K9.32 mi3.11 mi9535+1251618+271618+279346(Top 33%)1581(Top 13%)1581(Top 29%)
20K12.43 mi3.11 mi9112+4231463+1551463+1558038(Top 28%)1120(Top 9%)1120(Top 20%)
Half13.11 mi0.68 mi9022+901427+361427+367897(Top 28%)1056(Top 9%)1056(Top 19%)
25K15.53 mi2.42 mi8534+4881257+1701257+1706772(Top 24%)801(Top 7%)801(Top 15%)
30K18.64 mi3.11 mi8168+3661175+821175+827045(Top 25%)1028(Top 8%)1028(Top 19%)
20M20.00 mi1.36 mi8020+1481153+221153+226829(Top 24%)1090(Top 9%)1090(Top 20%)
21M21.00 mi1.00 mi7963+571163-101163-108490(Top 30%)1925(Top 16%)1925(Top 35%)
35K21.75 mi0.75 mi7871+921149+141149+146482(Top 23%)1098(Top 9%)1098(Top 20%)
23M23.00 mi1.25 mi8044-1731261-1121261-11211443(Top 40%)3446(Top 28%)3446(Top 63%)
24M24.00 mi1.00 mi7919+1251250+111250+116251(Top 22%)1166(Top 10%)1166(Top 21%)
40K24.85 mi0.85 mi7865+541255-51255-57845(Top 28%)1910(Top 16%)1910(Top 35%)
25.2M25.20 mi0.35 mi7813+52125512556383(Top 22%)1386(Top 11%)1386(Top 25%)
Finish26.22 mi1.02 mi7705+1081241+141241+146180(Top 22%)1313(Top 11%)1313(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9346

Females

1581

F18-39

1581

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9179

Females

1452

F18-39

1452

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9346

Females

1581

F18-39

1581

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

8038

Females

1120

F18-39

1120

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7897

Females

1056

F18-39

1056

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6772

Females

801

F18-39

801

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7045

Females

1028

F18-39

1028

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6829

Females

1090

F18-39

1090

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8490

Females

1925

F18-39

1925

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6482

Females

1098

F18-39

1098

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11443

Females

3446

F18-39

3446

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6251

Females

1166

F18-39

1166

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7845

Females

1910

F18-39

1910

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6383

Females

1386

F18-39

1386

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6180

Females

1313

F18-39

1313

Passing Analysis

Category:
Athletes Passed
3173*
Passed By
670
Net Change
+2503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10208
5K → 10K612*64+548#10208#9660
10K → 15K228103+125#9660#9535
15K → 20K43916+423#9535#9112
20K → Half988+90#9112#9022
Half → 25K4913+488#9022#8534
25K → 30K41145+366#8534#8168
30K → 20M18032+148#8168#8020
20M → 21M12871+57#8020#7963
21M → 35K10513+92#7963#7871
35K → 23M64237-173#7871#8044
23M → 24M13813+125#8044#7919
24M → 40K9238+54#7919#7865
40K → 25.2M6614+52#7865#7813
25.2M → Finish12113+108#7813#7705
TOTALS3173*670+2503

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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