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BOSTON MARATHON 2025

Tatyana Zakharenko

Bib: 21155•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F55-59)
#0 / 994
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:20
Rank: #15118
Start → 5K
24:20 | 7:50/mi
10K· 6.21 mi
49:04
Rank: #15650 (-532)
5K → 10K
24:44 | 7:58/mi
15K· 9.32 mi
1:14:08
Rank: #15954 (-304)
10K → 15K
25:04 | 8:04/mi
20K· 12.43 mi
1:39:29
Rank: #15975 (-21)
15K → 20K
25:21 | 8:10/mi
Half· 13.11 mi
1:45:01
Rank: #16010 (-35)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:05:06
Rank: #15973 (+37)
Half → 25K
20:05 | 8:17/mi
30K· 18.64 mi
2:31:25
Rank: #15685 (+288)
25K → 30K
26:19 | 8:28/mi
20M
2:43:14
Rank: #15568 (+117)
30K → 20M
11:49 | 8:42/mi
21M
2:52:23
Rank: #15458 (+110)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:58:42
Rank: #15441 (+17)
21M → 35K
6:19 | 8:27/mi
23M
3:09:41
Rank: #15359 (+82)
35K → 23M
10:59 | 8:46/mi
24M
3:18:30
Rank: #15401 (-42)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:26:02
Rank: #15379 (+22)
24M → 40K
7:32 | 8:49/mi
25.2M
3:29:45
Rank: #15452 (-73)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
3:38:25
Rank: #15469 (-17)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:01
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1124:207:5024:20
7:50
-
10K
6.21 mi11:41:5549:047:5424:44
7:58
+0:08
15K
9.32 mi12:06:591:14:087:5725:04
8:04
+0:06
20K
12.43 mi12:32:201:39:298:0025:21
8:10
+0:06
Half
13.11 mi12:37:521:45:018:015:32
8:07
-0:03
25K
15.53 mi12:57:572:05:068:0320:05
8:17
+0:10
30K
18.64 mi13:24:162:31:258:0726:19
8:28
+0:11
20M
20.00 mi13:36:052:43:148:1011:49
8:42
+0:14
21M
21.00 mi13:45:142:52:238:139:09
9:09
+0:27
35K
21.75 mi13:51:332:58:428:136:19
8:27
-0:42
23M
23.00 mi14:02:323:09:418:1510:59
8:46
+0:19
24M
24.00 mi14:11:213:18:308:168:49
8:49
+0:03
40K
24.85 mi14:18:533:26:028:177:32
8:49
0:00
25.2M
25.20 mi14:22:363:29:458:193:43
10:47
+1:58
Finish
26.22 mi14:31:163:38:258:208:40
8:30
-2:17

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

7:50 /mi

Average Pace

8:20 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:40

36% of race

Time at Steady Pace

1:49:32

50% of race

Time at Slower Pace

29:13

13% of race

Average Pace: 8:20 /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 mi11:17:1124:207:5024:20
7:50
#15118
10K
6.21 mi11:41:5549:047:5424:44
7:58
#15650
15K
9.32 mi12:06:591:14:087:5725:04
8:04
#15954
20K
12.43 mi12:32:201:39:298:0025:21
8:10
#15975
Half
13.11 mi12:37:521:45:018:015:32
8:07
#16010
25K
15.53 mi12:57:572:05:068:0320:05
8:17
#15973
30K
18.64 mi13:24:162:31:258:0726:19
8:28
#15685
20M
20.00 mi13:36:052:43:148:1011:49
8:42
#15568
21M
21.00 mi13:45:142:52:238:139:09
9:09
#15458
35K
21.75 mi13:51:332:58:428:136:19
8:27
#15441
23M
23.00 mi14:02:323:09:418:1510:59
8:46
#15359
24M
24.00 mi14:11:213:18:308:168:49
8:49
#15401
40K
24.85 mi14:18:533:26:028:177:32
8:49
#15379
25.2M
25.20 mi14:22:363:29:458:193:43
10:47
#15452
Finish
26.22 mi14:31:163:38:258:208:40
8:30
#15469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi151184604460416547(Top 58%)5469(Top 45%)5469(Top 550%)
10K6.21 mi3.10 mi15650-5324926-3224926-32216172(Top 57%)5226(Top 43%)5226(Top 526%)
15K9.32 mi3.11 mi15954-3045114-1885114-18816547(Top 58%)5469(Top 45%)5469(Top 550%)
20K12.43 mi3.11 mi15975-215132-185132-1816062(Top 57%)5255(Top 43%)5255(Top 529%)
Half13.11 mi0.68 mi16010-355156-245156-2416707(Top 59%)5582(Top 46%)5582(Top 562%)
25K15.53 mi2.42 mi15973+375149+75149+715818(Top 56%)5206(Top 43%)5206(Top 524%)
30K18.64 mi3.11 mi15685+2885040+1095040+10914591(Top 51%)4675(Top 38%)4675(Top 470%)
20M20.00 mi1.36 mi15568+1175013+275013+2715053(Top 53%)5074(Top 41%)5074(Top 510%)
21M21.00 mi1.00 mi15458+1104989+244989+2414374(Top 51%)4828(Top 39%)4828(Top 486%)
35K21.75 mi0.75 mi15441+174994-54994-515155(Top 53%)5317(Top 43%)5317(Top 535%)
23M23.00 mi1.25 mi15359+824988+64988+614977(Top 53%)5323(Top 44%)5323(Top 536%)
24M24.00 mi1.00 mi15401-425042-545042-5416427(Top 58%)6163(Top 50%)6163(Top 620%)
40K24.85 mi0.85 mi15379+225055-135055-1315265(Top 54%)5667(Top 46%)5667(Top 570%)
25.2M25.20 mi0.35 mi15452-735112-575112-5719969(Top 70%)8130(Top 66%)8130(Top 818%)
Finish26.22 mi1.02 mi15469-175139-275139-2716261(Top 57%)6165(Top 50%)6165(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16547

Females

5469

F55-59

5469

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16172

Females

5226

F55-59

5226

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16547

Females

5469

F55-59

5469

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16062

Females

5255

F55-59

5255

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16707

Females

5582

F55-59

5582

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15818

Females

5206

F55-59

5206

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14591

Females

4675

F55-59

4675

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15053

Females

5074

F55-59

5074

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14374

Females

4828

F55-59

4828

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15155

Females

5317

F55-59

5317

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14977

Females

5323

F55-59

5323

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16427

Females

6163

F55-59

6163

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15265

Females

5667

F55-59

5667

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19969

Females

8130

F55-59

8130

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16261

Females

6165

F55-59

6165

Passing Analysis

Category:
Athletes Passed
1800
Passed By
2151
Net Change
-351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15118
5K → 10K141673-532#15118#15650
10K → 15K115419-304#15650#15954
15K → 20K191212-21#15954#15975
20K → Half2762-35#15975#16010
Half → 25K188151+37#16010#15973
25K → 30K37789+288#15973#15685
30K → 20M17457+117#15685#15568
20M → 21M16757+110#15568#15458
21M → 35K6144+17#15458#15441
35K → 23M15270+82#15441#15359
23M → 24M61103-42#15359#15401
24M → 40K8159+22#15401#15379
40K → 25.2M1184-73#15379#15452
25.2M → Finish5471-17#15452#15469
TOTALS18002151-351
📊

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