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BOSTON MARATHON 2026

Ochirkhand Erdene-Ochir

Bib: 21524•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F45-49)
#0 / 1786
Top 34%
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
26:21
3.11 mi
Rank: #19974
Start → 5K
26:21 | 8:29/mi
10K
51:20
6.21 mi
Rank: #18778 (+1196)
5K → 10K
24:59 | 8:03/mi
15K
1:16:09
9.32 mi
Rank: #18210 (+568)
10K → 15K
24:49 | 8:00/mi
20K
1:41:36
12.43 mi
Rank: #18021 (+189)
15K → 20K
25:27 | 8:12/mi
HALF
1:47:05
13.11 mi
Rank: #17976 (+45)
20K → HALF
5:29 | 8:03/mi
25K
2:06:37
15.53 mi
Rank: #17633 (+343)
HALF → 25K
19:32 | 8:04/mi
30K
2:31:56
18.64 mi
Rank: #17041 (+592)
25K → 30K
25:19 | 8:09/mi
20M
2:43:04
20.00 mi
Rank: #16833 (+208)
30K → 20M
11:08 | 8:12/mi
21M
2:51:48
21.00 mi
Rank: #16678 (+155)
20M → 21M
8:44 | 8:44/mi
35K
2:57:56
21.75 mi
Rank: #16612 (+66)
21M → 35K
6:08 | 8:12/mi
23M
3:08:20
23.00 mi
Rank: #16454 (+158)
35K → 23M
10:24 | 8:19/mi
24M
3:16:14
24.00 mi
Rank: #16283 (+171)
23M → 24M
7:54 | 7:54/mi
40K
3:22:49
24.85 mi
Rank: #16067 (+216)
24M → 40K
6:35 | 7:42/mi
25.2M
3:25:37
25.20 mi
Rank: #15958 (+109)
40K → 25.2M
2:48 | 8:08/mi
FINISH
3:33:09
26.22 mi
Rank: #15762 (+196)
25.2M → FINISH
7:32 | 7:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:47:05
Pace8:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:04
Pace8:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1326:218:2926:21
8:29
-
10K
6.21 mi11:53:1251:208:1624:59
8:03
-0:26
15K
9.32 mi12:18:011:16:098:1124:49
8:00
-0:03
20K
12.43 mi12:43:281:41:368:1125:27
8:12
+0:12
HALF
13.11 mi12:48:571:47:058:115:29
8:03
-0:09
25K
15.53 mi13:08:292:06:378:1019:32
8:04
+0:01
30K
18.64 mi13:33:482:31:568:1025:19
8:09
+0:05
20M
20.00 mi13:44:562:43:048:1011:08
8:12
+0:03
21M
21.00 mi13:53:402:51:488:118:44
8:44
+0:32
35K
21.75 mi13:59:482:57:568:116:08
8:12
-0:32
23M
23.00 mi14:10:123:08:208:1210:24
8:19
+0:07
24M
24.00 mi14:18:063:16:148:117:54
7:54
-0:25
40K
24.85 mi14:24:413:22:498:106:35
7:42
-0:12
25.2M
25.20 mi14:27:293:25:378:102:48
8:08
+0:26
FINISH
26.22 mi14:35:013:33:098:097:32
7:24
-0:44

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

7:24 /mi

Average Pace

8:08 /mi

Slowest Pace

8:44 /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

1:39:38

47% of race

Time at Steady Pace

1:44:47

49% of race

Time at Slower Pace

8:44

4% of race

Average Pace: 8:08 /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 mi11:28:1326:218:2926:21
8:29
#19974
10K
6.21 mi11:53:1251:208:1624:59
8:03
#18778
15K
9.32 mi12:18:011:16:098:1124:49
8:00
#18210
20K
12.43 mi12:43:281:41:368:1125:27
8:12
#18021
HALF
13.11 mi12:48:571:47:058:115:29
8:03
#17976
25K
15.53 mi13:08:292:06:378:1019:32
8:04
#17633
30K
18.64 mi13:33:482:31:568:1025:19
8:09
#17041
20M
20.00 mi13:44:562:43:048:1011:08
8:12
#16833
21M
21.00 mi13:53:402:51:488:118:44
8:44
#16678
35K
21.75 mi13:59:482:57:568:116:08
8:12
#16612
23M
23.00 mi14:10:123:08:208:1210:24
8:19
#16454
24M
24.00 mi14:18:063:16:148:117:54
7:54
#16283
40K
24.85 mi14:24:413:22:498:106:35
7:42
#16067
25.2M
25.20 mi14:27:293:25:378:102:48
8:08
#15958
FINISH
26.22 mi14:35:013:33:098:097:32
7:24
#15762
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi199747612761216933(Top 58%)5874(Top 47%)5874(Top 329%)
10K6.21 mi3.10 mi18778+11966935+6776935+67717567(Top 61%)6240(Top 50%)6240(Top 349%)
15K9.32 mi3.11 mi18210+5686600+3356600+33516933(Top 58%)5874(Top 47%)5874(Top 329%)
20K12.43 mi3.11 mi18021+1896498+1026498+10217448(Top 60%)6186(Top 49%)6186(Top 346%)
HALF13.11 mi0.68 mi17976+456474+246474+2417425(Top 60%)6146(Top 49%)6146(Top 344%)
25K15.53 mi2.42 mi17633+3436293+1816293+18115831(Top 55%)5324(Top 42%)5324(Top 298%)
30K18.64 mi3.11 mi17041+5925980+3135980+31314589(Top 50%)4736(Top 38%)4736(Top 265%)
20M20.00 mi1.36 mi16833+2085880+1005880+10014275(Top 49%)4645(Top 37%)4645(Top 260%)
21M21.00 mi1.00 mi16678+1555813+675813+6714611(Top 50%)4915(Top 39%)4915(Top 275%)
35K21.75 mi0.75 mi16612+665789+245789+2415821(Top 55%)5650(Top 45%)5650(Top 316%)
23M23.00 mi1.25 mi16454+1585731+585731+5814551(Top 50%)5026(Top 40%)5026(Top 281%)
24M24.00 mi1.00 mi16283+1715663+685663+6813071(Top 45%)4299(Top 34%)4299(Top 241%)
40K24.85 mi0.85 mi16067+2165552+1115552+11110390(Top 36%)2964(Top 24%)2964(Top 166%)
25.2M25.20 mi0.35 mi15958+1095502+505502+509237(Top 32%)2500(Top 20%)2500(Top 140%)
FINISH26.22 mi1.02 mi15762+1965409+935409+9310655(Top 37%)3187(Top 25%)3187(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16933

Females

5874

F45-49

5874

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17567

Females

6240

F45-49

6240

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16933

Females

5874

F45-49

5874

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17448

Females

6186

F45-49

6186

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17425

Females

6146

F45-49

6146

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15831

Females

5324

F45-49

5324

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14589

Females

4736

F45-49

4736

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14275

Females

4645

F45-49

4645

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14611

Females

4915

F45-49

4915

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15821

Females

5650

F45-49

5650

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14551

Females

5026

F45-49

5026

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13071

Females

4299

F45-49

4299

24M→40K

24.0 - 24.9 mi

Top 36%
×1
+6ft-20ft

Overall

10390

Females

2964

F45-49

2964

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1
+13ft-16ft

Overall

9237

Females

2500

F45-49

2500

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10655

Females

3187

F45-49

3187

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4452*
Passed By
240
Net Change
+4212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19974
5K → 10K1224*28+1196#19974#18778
10K → 15K596*28+568#18778#18210
15K → 20K257*68+189#18210#18021
20K → HALF6520+45#18021#17976
HALF → 25K352*9+343#17976#17633
25K → 30K598*6+592#17633#17041
30K → 20M215*7+208#17041#16833
20M → 21M17015+155#16833#16678
21M → 35K8923+66#16678#16612
35K → 23M18123+158#16612#16454
23M → 24M1787+171#16454#16283
24M → 40K221*5+216#16283#16067
40K → 25.2M1090+109#16067#15958
25.2M → FINISH1971+196#15958#15762
TOTALS4452*240+4212

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing