Boston Marathon logo
BOSTON MARATHON 2025

Chi Kundrat

Bib: 29701•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:33/mi
29:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
57:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:25:14
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:53:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:59:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:15/mi
2:22:01
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:51:22
↑ 181↓ 1480.2%
20M
9:24/mi
3:04:09
↑ 64↓ 500.2%
21M
9:52/mi
3:14:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:20:43
↑ 17↓ 861.7%
23M
9:23/mi
3:32:28
↑ 23↓ 630.6%
24M
8:59/mi
3:41:27
↓ 821.3%
40K· 24.85 mi
9:14/mi
3:49:21
↓ 200.3%
25.2M
10:12/mi
3:52:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
4:01:50
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:36
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:02:14
Pace9:19 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0629:409:3329:40
9:33
-
10K
6.21 mi12:16:5557:299:1527:49
8:57
-0:36
15K
9.32 mi12:44:401:25:149:0927:45
8:56
-0:01
20K
12.43 mi13:13:041:53:389:0928:24
9:08
+0:12
Half
13.11 mi13:19:021:59:369:075:58
8:45
-0:23
25K
15.53 mi13:41:272:22:019:0922:25
9:15
+0:30
30K
18.64 mi14:10:482:51:229:1229:21
9:27
+0:12
20M
20.00 mi14:23:353:04:099:1212:47
9:24
-0:03
21M
21.00 mi14:33:273:14:019:149:52
9:52
+0:28
35K
21.75 mi14:40:093:20:439:146:42
8:57
-0:55
23M
23.00 mi14:51:543:32:289:1411:45
9:23
+0:26
24M
24.00 mi15:00:533:41:279:148:59
8:59
-0:24
40K
24.85 mi15:08:473:49:219:147:54
9:14
+0:15
25.2M
25.20 mi15:12:183:52:529:143:31
10:12
+0:58
Finish
26.22 mi15:21:164:01:509:148:58
8:48
-1:24

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

8:45 /mi

Average Pace

9:14 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:27

94% of race

Time at Steady Pace

13:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:13 /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 mi11:49:0629:409:3329:40
9:33
#24404
10K
6.21 mi12:16:5557:299:1527:49
8:57
#23387
15K
9.32 mi12:44:401:25:149:0927:45
8:56
#22891
20K
12.43 mi13:13:041:53:389:0928:24
9:08
#22550
Half
13.11 mi13:19:021:59:369:075:58
8:45
#22438
25K
15.53 mi13:41:272:22:019:0922:25
9:15
#22207
30K
18.64 mi14:10:482:51:229:1229:21
9:27
#21719
20M
20.00 mi14:23:353:04:099:1212:47
9:24
#21500
21M
21.00 mi14:33:273:14:019:149:52
9:52
#21289
35K
21.75 mi14:40:093:20:439:146:42
8:57
#21157
23M
23.00 mi14:51:543:32:289:1411:45
9:23
#20979
24M
24.00 mi15:00:533:41:279:148:59
8:59
#20850
40K
24.85 mi15:08:473:49:219:147:54
9:14
#20735
25.2M
25.20 mi15:12:183:52:529:143:31
10:12
#20691
Finish
26.22 mi15:21:164:01:509:148:58
8:48
#20618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi244049904990421712(Top 76%)8384(Top 69%)8384(Top 843%)
10K6.21 mi3.10 mi23387+10179358+5469358+54622181(Top 78%)8697(Top 71%)8697(Top 875%)
15K9.32 mi3.11 mi22891+4969063+2959063+29521712(Top 76%)8384(Top 69%)8384(Top 843%)
20K12.43 mi3.11 mi22550+3418883+1808883+18021640(Top 76%)8395(Top 69%)8395(Top 845%)
Half13.11 mi0.68 mi22438+1128834+498834+4920680(Top 73%)7865(Top 64%)7865(Top 791%)
25K15.53 mi2.42 mi22207+2318713+1218713+12120964(Top 74%)8082(Top 66%)8082(Top 813%)
30K18.64 mi3.11 mi21719+4888465+2488465+24819739(Top 69%)7521(Top 62%)7521(Top 757%)
20M20.00 mi1.36 mi21500+2198368+978368+9718799(Top 66%)7166(Top 59%)7166(Top 721%)
21M21.00 mi1.00 mi21289+2118275+938275+9317803(Top 63%)6700(Top 55%)6700(Top 674%)
35K21.75 mi0.75 mi21157+1328220+558220+5518072(Top 64%)6954(Top 57%)6954(Top 700%)
23M23.00 mi1.25 mi20979+1788149+718149+7118201(Top 64%)7091(Top 58%)7091(Top 713%)
24M24.00 mi1.00 mi20850+1298097+528097+5217329(Top 61%)6677(Top 55%)6677(Top 672%)
40K24.85 mi0.85 mi20735+1158052+458052+4517589(Top 62%)6922(Top 57%)6922(Top 696%)
25.2M25.20 mi0.35 mi20691+448028+248028+2417953(Top 63%)7131(Top 58%)7131(Top 717%)
Finish26.22 mi1.02 mi20618+738008+208008+2018082(Top 64%)7139(Top 58%)7139(Top 718%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21712

Females

8384

F55-59

8384

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22181

Females

8697

F55-59

8697

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21712

Females

8384

F55-59

8384

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21640

Females

8395

F55-59

8395

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20680

Females

7865

F55-59

7865

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20964

Females

8082

F55-59

8082

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19739

Females

7521

F55-59

7521

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18799

Females

7166

F55-59

7166

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17803

Females

6700

F55-59

6700

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18072

Females

6954

F55-59

6954

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18201

Females

7091

F55-59

7091

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17329

Females

6677

F55-59

6677

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17589

Females

6922

F55-59

6922

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17953

Females

7131

F55-59

7131

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18082

Females

7139

F55-59

7139

Passing Analysis

Category:
Athletes Passed
3995
Passed By
209
Net Change
+3786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24404
5K → 10K103619+1017#24404#23387
10K → 15K51620+496#23387#22891
15K → 20K38241+341#22891#22550
20K → Half1153+112#22550#22438
Half → 25K27140+231#22438#22207
25K → 30K51022+488#22207#21719
30K → 20M23011+219#21719#21500
20M → 21M2187+211#21500#21289
21M → 35K1331+132#21289#21157
35K → 23M19113+178#21157#20979
23M → 24M13910+129#20979#20850
24M → 40K1194+115#20850#20735
40K → 25.2M484+44#20735#20691
25.2M → Finish8714+73#20691#20618
TOTALS3995209+3786
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing