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BOSTON MARATHON 2026

Els De Busser

Bib: 21776•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 30%
Age Group (F50-54)
#0 / 1233
Top 24%
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
25:14
3.11 mi
Rank: #17745
Start → 5K
25:14 | 8:08/mi
10K
50:01
6.21 mi
Rank: #17441 (+304)
5K → 10K
24:47 | 7:59/mi
15K
1:15:00
9.32 mi
Rank: #17403 (+38)
10K → 15K
24:59 | 8:03/mi
20K
1:40:03
12.43 mi
Rank: #17199 (+204)
15K → 20K
25:03 | 8:04/mi
HALF
1:45:30
13.11 mi
Rank: #17174 (+25)
20K → HALF
5:27 | 8:00/mi
25K
2:05:07
15.53 mi
Rank: #16952 (+222)
HALF → 25K
19:37 | 8:06/mi
30K
2:31:07
18.64 mi
Rank: #16743 (+209)
25K → 30K
26:00 | 8:23/mi
20M
2:42:34
20.00 mi
Rank: #16669 (+74)
30K → 20M
11:27 | 8:26/mi
21M
2:51:25
21.00 mi
Rank: #16551 (+118)
20M → 21M
8:51 | 8:51/mi
35K
2:57:22
21.75 mi
Rank: #16434 (+117)
21M → 35K
5:57 | 7:58/mi
23M
3:07:45
23.00 mi
Rank: #16288 (+146)
35K → 23M
10:23 | 8:18/mi
24M
3:15:46
24.00 mi
Rank: #16163 (+125)
23M → 24M
8:01 | 8:01/mi
40K
3:22:50
24.85 mi
Rank: #16075 (+88)
24M → 40K
7:04 | 8:16/mi
25.2M
3:25:56
25.20 mi
Rank: #16043 (+32)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:34:10
26.22 mi
Rank: #16003 (+40)
25.2M → FINISH
8:14 | 8:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:48:40
Pace8:18 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0225:148:0825:14
8:08
-
10K
6.21 mi11:51:4950:018:0324:47
7:59
-0:09
15K
9.32 mi12:16:481:15:008:0324:59
8:03
+0:04
20K
12.43 mi12:41:511:40:038:0425:03
8:04
+0:01
HALF
13.11 mi12:47:181:45:308:035:27
8:00
-0:04
25K
15.53 mi13:06:552:05:078:0419:37
8:06
+0:06
30K
18.64 mi13:32:552:31:078:0726:00
8:23
+0:17
20M
20.00 mi13:44:222:42:348:0811:27
8:26
+0:03
21M
21.00 mi13:53:132:51:258:108:51
8:51
+0:25
35K
21.75 mi13:59:102:57:228:105:57
7:58
-0:53
23M
23.00 mi14:09:333:07:458:1010:23
8:18
+0:20
24M
24.00 mi14:17:343:15:468:108:01
8:01
-0:17
40K
24.85 mi14:24:383:22:508:107:04
8:16
+0:15
25.2M
25.20 mi14:27:443:25:568:113:06
9:00
+0:44
FINISH
26.22 mi14:35:583:34:108:118:14
8:05
-0:55

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

7:58 /mi

Average Pace

8:10 /mi

Slowest Pace

9:00 /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

3:22:13

94% of race

Time at Steady Pace

11:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:27:0225:148:0825:14
8:08
#17745
10K
6.21 mi11:51:4950:018:0324:47
7:59
#17441
15K
9.32 mi12:16:481:15:008:0324:59
8:03
#17403
20K
12.43 mi12:41:511:40:038:0425:03
8:04
#17199
HALF
13.11 mi12:47:181:45:308:035:27
8:00
#17174
25K
15.53 mi13:06:552:05:078:0419:37
8:06
#16952
30K
18.64 mi13:32:552:31:078:0726:00
8:23
#16743
20M
20.00 mi13:44:222:42:348:0811:27
8:26
#16669
21M
21.00 mi13:53:132:51:258:108:51
8:51
#16551
35K
21.75 mi13:59:102:57:228:105:57
7:58
#16434
23M
23.00 mi14:09:333:07:458:1010:23
8:18
#16288
24M
24.00 mi14:17:343:15:468:108:01
8:01
#16163
40K
24.85 mi14:24:383:22:508:107:04
8:16
#16075
25.2M
25.20 mi14:27:443:25:568:113:06
9:00
#16043
FINISH
26.22 mi14:35:583:34:108:118:14
8:05
#16003
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177456357635717325(Top 60%)6095(Top 48%)6095(Top 494%)
10K6.21 mi3.10 mi17441+3046181+1766181+17617071(Top 59%)5953(Top 47%)5953(Top 483%)
15K9.32 mi3.11 mi17403+386166+156166+1517325(Top 60%)6095(Top 48%)6095(Top 494%)
20K12.43 mi3.11 mi17199+2046043+1236043+12316598(Top 57%)5703(Top 45%)5703(Top 463%)
HALF13.11 mi0.68 mi17174+256034+96034+917107(Top 59%)5966(Top 47%)5966(Top 484%)
25K15.53 mi2.42 mi16952+2225913+1215913+12116065(Top 55%)5461(Top 43%)5461(Top 443%)
30K18.64 mi3.11 mi16743+2095831+825831+8216075(Top 55%)5558(Top 44%)5558(Top 451%)
20M20.00 mi1.36 mi16669+745801+305801+3015789(Top 54%)5525(Top 44%)5525(Top 448%)
21M21.00 mi1.00 mi16551+1185742+595742+5915299(Top 53%)5303(Top 42%)5303(Top 430%)
35K21.75 mi0.75 mi16434+1175690+525690+5214213(Top 49%)4762(Top 38%)4762(Top 386%)
23M23.00 mi1.25 mi16288+1465637+535637+5314474(Top 50%)4981(Top 40%)4981(Top 404%)
24M24.00 mi1.00 mi16163+1255590+475590+4713935(Top 48%)4764(Top 38%)4764(Top 386%)
40K24.85 mi0.85 mi16075+885556+345556+3414273(Top 49%)5044(Top 40%)5044(Top 409%)
25.2M25.20 mi0.35 mi16043+325552+45552+414731(Top 51%)5300(Top 42%)5300(Top 430%)
FINISH26.22 mi1.02 mi16003+405552555215700(Top 54%)5786(Top 46%)5786(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17325

Females

6095

F50-54

6095

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17071

Females

5953

F50-54

5953

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17325

Females

6095

F50-54

6095

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16598

Females

5703

F50-54

5703

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17107

Females

5966

F50-54

5966

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16065

Females

5461

F50-54

5461

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16075

Females

5558

F50-54

5558

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15789

Females

5525

F50-54

5525

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15299

Females

5303

F50-54

5303

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14213

Females

4762

F50-54

4762

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14474

Females

4981

F50-54

4981

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

13935

Females

4764

F50-54

4764

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14273

Females

5044

F50-54

5044

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14731

Females

5300

F50-54

5300

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15700

Females

5786

F50-54

5786

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2495*
Passed By
753
Net Change
+1742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17745
5K → 10K449*145+304#17745#17441
10K → 15K214*176+38#17441#17403
15K → 20K279*75+204#17403#17199
20K → HALF5126+25#17199#17174
HALF → 25K257*35+222#17174#16952
25K → 30K294*85+209#16952#16743
30K → 20M11440+74#16743#16669
20M → 21M15739+118#16669#16551
21M → 35K12912+117#16551#16434
35K → 23M17630+146#16434#16288
23M → 24M13611+125#16288#16163
24M → 40K11022+88#16163#16075
40K → 25.2M4715+32#16075#16043
25.2M → FINISH8242+40#16043#16003
TOTALS2495*753+1742

* 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