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BOSTON MARATHON 2025

Ayca Katunwilliams

Bib: 23940•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F50-54)
#0 / 1303
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:59
Rank: #19098
Start → 5K
25:59 | 8:22/mi
10K· 6.21 mi
52:10
Rank: #19215 (-117)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:18:24
Rank: #19102 (+113)
10K → 15K
26:14 | 8:27/mi
20K· 12.43 mi
1:44:31
Rank: #18721 (+381)
15K → 20K
26:07 | 8:24/mi
Half· 13.11 mi
1:50:12
Rank: #18675 (+46)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:10:35
Rank: #18308 (+367)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:38:01
Rank: #17950 (+358)
25K → 30K
27:26 | 8:50/mi
20M
2:50:07
Rank: #17820 (+130)
30K → 20M
12:06 | 8:54/mi
21M
2:59:25
Rank: #17649 (+171)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:05:44
Rank: #17543 (+106)
21M → 35K
6:19 | 8:27/mi
23M
3:16:42
Rank: #17362 (+181)
35K → 23M
10:58 | 8:46/mi
24M
3:25:18
Rank: #17246 (+116)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:32:48
Rank: #17155 (+91)
24M → 40K
7:30 | 8:46/mi
25.2M
3:36:09
Rank: #17125 (+30)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:44:49
Rank: #17084 (+41)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:12
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:54:37
Pace8:45 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4525:598:2225:59
8:22
-
10K
6.21 mi11:50:5652:108:2426:11
8:26
+0:04
15K
9.32 mi12:17:101:18:248:2526:14
8:27
+0:01
20K
12.43 mi12:43:171:44:318:2526:07
8:24
-0:03
Half
13.11 mi12:48:581:50:128:245:41
8:20
-0:04
25K
15.53 mi13:09:212:10:358:2420:23
8:24
+0:04
30K
18.64 mi13:36:472:38:018:2927:26
8:50
+0:26
20M
20.00 mi13:48:532:50:078:3012:06
8:54
+0:04
21M
21.00 mi13:58:112:59:258:339:18
9:18
+0:24
35K
21.75 mi14:04:303:05:448:326:19
8:27
-0:51
23M
23.00 mi14:15:283:16:428:3310:58
8:46
+0:19
24M
24.00 mi14:24:043:25:188:338:36
8:36
-0:10
40K
24.85 mi14:31:343:32:488:347:30
8:46
+0:10
25.2M
25.20 mi14:34:553:36:098:353:21
9:43
+0:57
Finish
26.22 mi14:43:353:44:498:358:40
8:30
-1:13

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

8:20 /mi

Average Pace

8:35 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:10

94% of race

Time at Steady Pace

12:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi11:24:4525:598:2225:59
8:22
#19098
10K
6.21 mi11:50:5652:108:2426:11
8:26
#19215
15K
9.32 mi12:17:101:18:248:2526:14
8:27
#19102
20K
12.43 mi12:43:171:44:318:2526:07
8:24
#18721
Half
13.11 mi12:48:581:50:128:245:41
8:20
#18675
25K
15.53 mi13:09:212:10:358:2420:23
8:24
#18308
30K
18.64 mi13:36:472:38:018:2927:26
8:50
#17950
20M
20.00 mi13:48:532:50:078:3012:06
8:54
#17820
21M
21.00 mi13:58:112:59:258:339:18
9:18
#17649
35K
21.75 mi14:04:303:05:448:326:19
8:27
#17543
23M
23.00 mi14:15:283:16:428:3310:58
8:46
#17362
24M
24.00 mi14:24:043:25:188:338:36
8:36
#17246
40K
24.85 mi14:31:343:32:488:347:30
8:46
#17155
25.2M
25.20 mi14:34:553:36:098:353:21
9:43
#17125
Finish
26.22 mi14:43:353:44:498:358:40
8:30
#17084
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi190986959695919003(Top 67%)6901(Top 56%)6901(Top 530%)
10K6.21 mi3.10 mi19215-1177016-577016-5719359(Top 68%)7084(Top 58%)7084(Top 544%)
15K9.32 mi3.11 mi19102+1136958+586958+5819003(Top 67%)6901(Top 56%)6901(Top 530%)
20K12.43 mi3.11 mi18721+3816746+2126746+21217596(Top 62%)6108(Top 50%)6108(Top 469%)
Half13.11 mi0.68 mi18675+466723+236723+2318152(Top 64%)6402(Top 52%)6402(Top 491%)
25K15.53 mi2.42 mi18308+3676531+1926531+19216632(Top 59%)5652(Top 46%)5652(Top 434%)
30K18.64 mi3.11 mi17950+3586373+1586373+15816787(Top 59%)5914(Top 48%)5914(Top 454%)
20M20.00 mi1.36 mi17820+1306324+496324+4916289(Top 57%)5771(Top 47%)5771(Top 443%)
21M21.00 mi1.00 mi17649+1716242+826242+8215177(Top 53%)5281(Top 43%)5281(Top 405%)
35K21.75 mi0.75 mi17543+1066210+326210+3215169(Top 53%)5331(Top 44%)5331(Top 409%)
23M23.00 mi1.25 mi17362+1816147+636147+6314911(Top 52%)5291(Top 43%)5291(Top 406%)
24M24.00 mi1.00 mi17246+1166109+386109+3815195(Top 53%)5493(Top 45%)5493(Top 422%)
40K24.85 mi0.85 mi17155+916076+336076+3315065(Top 53%)5560(Top 45%)5560(Top 427%)
25.2M25.20 mi0.35 mi17125+306071+56071+515748(Top 55%)5959(Top 49%)5959(Top 457%)
Finish26.22 mi1.02 mi17084+416065+66065+616271(Top 57%)6175(Top 50%)6175(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19003

Females

6901

F50-54

6901

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19359

Females

7084

F50-54

7084

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19003

Females

6901

F50-54

6901

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17596

Females

6108

F50-54

6108

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18152

Females

6402

F50-54

6402

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16632

Females

5652

F50-54

5652

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16787

Females

5914

F50-54

5914

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16289

Females

5771

F50-54

5771

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15177

Females

5281

F50-54

5281

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15169

Females

5331

F50-54

5331

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14911

Females

5291

F50-54

5291

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15195

Females

5493

F50-54

5493

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15065

Females

5560

F50-54

5560

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15748

Females

5959

F50-54

5959

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16271

Females

6175

F50-54

6175

Passing Analysis

Category:
Athletes Passed
2857
Passed By
843
Net Change
+2014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19098
5K → 10K201318-117#19098#19215
10K → 15K258145+113#19215#19102
15K → 20K41635+381#19102#18721
20K → Half6317+46#18721#18675
Half → 25K38316+367#18675#18308
25K → 30K43476+358#18308#17950
30K → 20M18454+130#17950#17820
20M → 21M19827+171#17820#17649
21M → 35K11812+106#17649#17543
35K → 23M20827+181#17543#17362
23M → 24M14630+116#17362#17246
24M → 40K11625+91#17246#17155
40K → 25.2M4515+30#17155#17125
25.2M → Finish8746+41#17125#17084
TOTALS2857843+2014
📊

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