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BOSTON MARATHON 2025

Tonka Zadnikar

Bib: 28414•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F75-79)
#0 / 12
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
11:39/mi
36:12
↑ 97↓ 3451.5%
10K· 6.21 mi
12:22/mi
1:14:36
↑ 79↓ 1380.4%
15K· 9.32 mi
12:54/mi
1:54:42
↑ 67↓ 78
20K· 12.43 mi
13:27/mi
2:36:28
↑ 106↓ 860.1%
Half· 13.11 mi
13:10/mi
2:45:27
↑ 19↓ 370.5%
25K· 15.53 mi
14:09/mi
3:19:46
↑ 66↓ 880.2%
30K· 18.64 mi
14:22/mi
4:04:24
↑ 181↓ 1480.2%
20M
14:03/mi
4:23:30
↑ 64↓ 500.2%
21M
15:16/mi
4:38:46
↑ 106↓ 241.6%
35K· 21.75 mi
13:37/mi
4:48:57
↑ 17↓ 861.7%
23M
13:54/mi
5:06:21
↑ 23↓ 630.6%
24M
13:15/mi
5:19:36
↓ 821.3%
40K· 24.85 mi
13:26/mi
5:31:05
↓ 200.3%
25.2M
15:16/mi
5:36:21
↑ 13↓ 160.2%
Finish· 26.22 mi
13:07/mi
5:49:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:27
Pace12:37 /mi
2nd Half
Distance13.11 mi
Time3:04:16
Pace14:03 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0036:1211:3936:12
11:39
-
10K
6.21 mi12:31:241:14:3612:0038:24
12:22
+0:43
15K
9.32 mi13:11:301:54:4212:1840:06
12:54
+0:32
20K
12.43 mi13:53:162:36:2812:3541:46
13:27
+0:33
Half
13.11 mi14:02:152:45:2712:378:59
13:10
-0:17
25K
15.53 mi14:36:343:19:4612:5234:19
14:09
+0:59
30K
18.64 mi15:21:124:04:2413:0744:38
14:22
+0:13
20M
20.00 mi15:40:184:23:3013:1019:06
14:03
-0:19
21M
21.00 mi15:55:344:38:4613:1615:16
15:16
+1:13
35K
21.75 mi16:05:454:48:5713:1710:11
13:37
-1:39
23M
23.00 mi16:23:095:06:2113:1917:24
13:54
+0:17
24M
24.00 mi16:36:245:19:3613:1913:15
13:15
-0:39
40K
24.85 mi16:47:535:31:0513:1911:29
13:26
+0:11
25.2M
25.20 mi16:53:095:36:2113:215:16
15:16
+1:50
Finish
26.22 mi17:06:315:49:4313:2113:22
13:07
-2:09

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

11:39 /mi

Average Pace

13:21 /mi

Slowest Pace

15:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:42

33% of race

Time at Steady Pace

1:56:26

33% of race

Time at Slower Pace

1:58:35

34% of race

Average Pace: 13:20 /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 mi11:53:0036:1211:3936:12
11:39
#28101
10K
6.21 mi12:31:241:14:3612:0038:24
12:22
#28138
15K
9.32 mi13:11:301:54:4212:1840:06
12:54
#28157
20K
12.43 mi13:53:162:36:2812:3541:46
13:27
#28148
Half
13.11 mi14:02:152:45:2712:378:59
13:10
#28152
25K
15.53 mi14:36:343:19:4612:5234:19
14:09
#28151
30K
18.64 mi15:21:124:04:2413:0744:38
14:22
#28121
20M
20.00 mi15:40:184:23:3013:1019:06
14:03
#28102
21M
21.00 mi15:55:344:38:4613:1615:16
15:16
#28081
35K
21.75 mi16:05:454:48:5713:1710:11
13:37
#28076
23M
23.00 mi16:23:095:06:2113:1917:24
13:54
#28054
24M
24.00 mi16:36:245:19:3613:1913:15
13:15
#28036
40K
24.85 mi16:47:535:31:0513:1911:29
13:26
#28014
25.2M
25.20 mi16:53:095:36:2113:215:16
15:16
#28003
Finish
26.22 mi17:06:315:49:4313:2113:22
13:07
#27997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF75-79Seg. OverallSeg. FemalesSeg. F75-79
5K3.11 mi3.11 mi28101120281202828132(Top 99%)12064(Top 99%)12064(Top 100533%)
10K6.21 mi3.10 mi28138-3712057-2912057-2928124(Top 99%)12053(Top 99%)12053(Top 100442%)
15K9.32 mi3.11 mi28157-1912071-1412071-1428132(Top 99%)12064(Top 99%)12064(Top 100533%)
20K12.43 mi3.11 mi28148+912067+412067+428043(Top 99%)12024(Top 98%)12024(Top 100200%)
Half13.11 mi0.68 mi28152-412070-312070-328066(Top 99%)12047(Top 99%)12047(Top 100392%)
25K15.53 mi2.42 mi28151+112079-912079-927960(Top 98%)11988(Top 98%)11988(Top 99900%)
30K18.64 mi3.11 mi28121+3012060+1912060+1927743(Top 98%)11914(Top 97%)11914(Top 99283%)
20M20.00 mi1.36 mi28102+1912053+712053+727336(Top 96%)11730(Top 96%)11730(Top 97750%)
21M21.00 mi1.00 mi28081+2112044+912044+927363(Top 96%)11760(Top 96%)11760(Top 98000%)
35K21.75 mi0.75 mi28076+512041+312041+327434(Top 97%)11816(Top 97%)11816(Top 98467%)
23M23.00 mi1.25 mi28054+2212033+812033+827233(Top 96%)11722(Top 96%)11722(Top 97683%)
24M24.00 mi1.00 mi28036+1812029+412029+427098(Top 95%)11692(Top 96%)11692(Top 97433%)
40K24.85 mi0.85 mi28014+2212022+712022+726704(Top 94%)11504(Top 94%)11504(Top 95867%)
25.2M25.20 mi0.35 mi28003+1112016+612016+627302(Top 96%)11805(Top 97%)11805(Top 98375%)
Finish26.22 mi1.02 mi27997+612017-112017-127683(Top 97%)11949(Top 98%)11949(Top 99575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28132

Females

12064

F75-79

12064

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28124

Females

12053

F75-79

12053

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28132

Females

12064

F75-79

12064

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28043

Females

12024

F75-79

12024

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

28066

Females

12047

F75-79

12047

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27960

Females

11988

F75-79

11988

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27743

Females

11914

F75-79

11914

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27336

Females

11730

F75-79

11730

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27363

Females

11760

F75-79

11760

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27434

Females

11816

F75-79

11816

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27233

Females

11722

F75-79

11722

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

27098

Females

11692

F75-79

11692

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26704

Females

11504

F75-79

11504

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27302

Females

11805

F75-79

11805

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27683

Females

11949

F75-79

11949

Passing Analysis

Category:
Athletes Passed
351
Passed By
247
Net Change
+104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28101
5K → 10K4178-37#28101#28138
10K → 15K2544-19#28138#28157
15K → 20K4233+9#28157#28148
20K → Half610-4#28148#28152
Half → 25K2322+1#28152#28151
25K → 30K4818+30#28151#28121
30K → 20M289+19#28121#28102
20M → 21M243+21#28102#28081
21M → 35K94+5#28081#28076
35K → 23M275+22#28076#28054
23M → 24M246+18#28054#28036
24M → 40K242+22#28036#28014
40K → 25.2M132+11#28014#28003
25.2M → Finish1711+6#28003#27997
TOTALS351247+104
📊

Passing Visuals

Category:
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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