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BOSTON MARATHON 2026

Tatyana Zakharenko

Bib: 21818 •F •Age: N/A

NY

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 48%
Age Group (F55-59)
#0 / 951
Top 28%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:23
3.11 mi
Rank: #18053
Start → 5K
25:23 | 8:11/mi
10K
50:59
6.21 mi
Rank: #18442 (-389)
5K → 10K
25:36 | 8:15/mi
15K
1:16:49
9.32 mi
Rank: #18651 (-209)
10K → 15K
25:50 | 8:19/mi
20K
1:43:20
12.43 mi
Rank: #18852 (-201)
15K → 20K
26:31 | 8:33/mi
HALF
1:48:54
13.11 mi
Rank: #18824 (+28)
20K → HALF
5:34 | 8:10/mi
25K
2:09:30
15.53 mi
Rank: #18757 (+67)
HALF → 25K
20:36 | 8:30/mi
30K
2:37:09
18.64 mi
Rank: #18789 (-32)
25K → 30K
27:39 | 8:54/mi
20M
2:49:12
20.00 mi
Rank: #18733 (+56)
30K → 20M
12:03 | 8:53/mi
21M
2:59:17
21.00 mi
Rank: #18896 (-163)
20M → 21M
10:05 | 10:05/mi
35K
3:05:51
21.75 mi
Rank: #18891 (+5)
21M → 35K
6:34 | 8:47/mi
23M
3:17:12
23.00 mi
Rank: #18873 (+18)
35K → 23M
11:21 | 9:05/mi
24M
3:26:06
24.00 mi
Rank: #18871 (+2)
23M → 24M
8:54 | 8:54/mi
40K
3:33:41
24.85 mi
Rank: #18823 (+48)
24M → 40K
7:35 | 8:53/mi
25.2M
3:37:15
25.20 mi
Rank: #18865 (-42)
40K → 25.2M
3:34 | 10:21/mi
FINISH
3:46:14
26.22 mi
Rank: #18912 (-47)
25.2M → FINISH
8:59 | 8:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:54
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:57:20
Pace8:58 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4025:238:1125:23
8:11
-
10K
6.21 mi11:52:1650:598:1325:36
8:15
+0:04
15K
9.32 mi12:18:061:16:498:1525:50
8:19
+0:04
20K
12.43 mi12:44:371:43:208:1926:31
8:33
+0:14
HALF
13.11 mi12:50:111:48:548:195:34
8:10
-0:23
25K
15.53 mi13:10:472:09:308:2120:36
8:30
+0:20
30K
18.64 mi13:38:262:37:098:2627:39
8:54
+0:24
20M
20.00 mi13:50:292:49:128:2812:03
8:53
-0:01
21M
21.00 mi14:00:342:59:178:3310:05
10:05
+1:12
35K
21.75 mi14:07:083:05:518:336:34
8:47
-1:18
23M
23.00 mi14:18:293:17:128:3511:21
9:05
+0:18
24M
24.00 mi14:27:233:26:068:368:54
8:54
-0:11
40K
24.85 mi14:34:583:33:418:367:35
8:53
-0:01
25.2M
25.20 mi14:38:323:37:158:383:34
10:21
+1:28
FINISH
26.22 mi14:47:313:46:148:398:59
8:49
-1:32

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:10 /mi

Average Pace

8:38 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:42:59

46% of race

Time at Steady Pace

1:49:36

48% of race

Time at Slower Pace

13:39

6% of race

Average Pace: 8:38 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:26:4025:238:1125:23
8:11
#18053
10K
6.21 mi11:52:1650:598:1325:36
8:15
#18442
15K
9.32 mi12:18:061:16:498:1525:50
8:19
#18651
20K
12.43 mi12:44:371:43:208:1926:31
8:33
#18852
HALF
13.11 mi12:50:111:48:548:195:34
8:10
#18824
25K
15.53 mi13:10:472:09:308:2120:36
8:30
#18757
30K
18.64 mi13:38:262:37:098:2627:39
8:54
#18789
20M
20.00 mi13:50:292:49:128:2812:03
8:53
#18733
21M
21.00 mi14:00:342:59:178:3310:05
10:05
#18896
35K
21.75 mi14:07:083:05:518:336:34
8:47
#18891
23M
23.00 mi14:18:293:17:128:3511:21
9:05
#18873
24M
24.00 mi14:27:233:26:068:368:54
8:54
#18871
40K
24.85 mi14:34:583:33:418:367:35
8:53
#18823
25.2M
25.20 mi14:38:323:37:158:383:34
10:21
#18865
FINISH
26.22 mi14:47:313:46:148:398:59
8:49
#18912
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi180536547654719078(Top 66%)7081(Top 56%)7081(Top 745%)
10K6.21 mi3.10 mi18442-3896742-1956742-19518817(Top 65%)6925(Top 55%)6925(Top 728%)
15K9.32 mi3.11 mi18651-2096846-1046846-10419078(Top 66%)7081(Top 56%)7081(Top 745%)
20K12.43 mi3.11 mi18852-2016976-1306976-13019510(Top 67%)7369(Top 59%)7369(Top 775%)
HALF13.11 mi0.68 mi18824+286960+166960+1618264(Top 63%)6637(Top 53%)6637(Top 698%)
25K15.53 mi2.42 mi18757+676926+346926+3418561(Top 64%)6880(Top 55%)6880(Top 723%)
30K18.64 mi3.11 mi18789-326992-666992-6619080(Top 66%)7256(Top 58%)7256(Top 763%)
20M20.00 mi1.36 mi18733+566971+216971+2118341(Top 63%)6952(Top 55%)6952(Top 731%)
21M21.00 mi1.00 mi18896-1637083-1127083-11220707(Top 71%)8212(Top 65%)8212(Top 864%)
35K21.75 mi0.75 mi18891+57096-137096-1319017(Top 66%)7440(Top 59%)7440(Top 782%)
23M23.00 mi1.25 mi18873+187101-57101-518849(Top 65%)7398(Top 59%)7398(Top 778%)
24M24.00 mi1.00 mi18871+27118-177118-1719030(Top 66%)7532(Top 60%)7532(Top 792%)
40K24.85 mi0.85 mi18823+487105+137105+1317767(Top 61%)6920(Top 55%)6920(Top 728%)
25.2M25.20 mi0.35 mi18865-427139-347139-3420605(Top 71%)8360(Top 66%)8360(Top 879%)
FINISH26.22 mi1.02 mi18912-477178-397178-3919728(Top 68%)7946(Top 63%)7946(Top 836%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19078

Females

7081

F55-59

7081

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18817

Females

6925

F55-59

6925

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19078

Females

7081

F55-59

7081

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19510

Females

7369

F55-59

7369

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18264

Females

6637

F55-59

6637

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18561

Females

6880

F55-59

6880

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19080

Females

7256

F55-59

7256

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18341

Females

6952

F55-59

6952

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20707

Females

8212

F55-59

8212

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19017

Females

7440

F55-59

7440

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18849

Females

7398

F55-59

7398

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19030

Females

7532

F55-59

7532

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17767

Females

6920

F55-59

6920

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20605

Females

8360

F55-59

8360

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19728

Females

7946

F55-59

7946

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1229
Passed By
1550
Net Change
-859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18053
5K → 10K134200-389#18053#18442
10K → 15K95200-209#18442#18651
15K → 20K100200-201#18651#18852
20K → HALF4315+28#18852#18824
HALF → 25K168101+67#18824#18757
25K → 30K169200-32#18757#18789
30K → 20M11357+56#18789#18733
20M → 21M46200-163#18733#18896
21M → 35K6257+5#18896#18891
35K → 23M8870+18#18891#18873
23M → 24M6563+2#18873#18871
24M → 40K8234+48#18871#18823
40K → 25.2M1658-42#18823#18865
25.2M → FINISH4895-47#18865#18912
TOTALS12291550-859
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing