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BOSTON MARATHON 2026

Juliana Londono

Bib: 17496•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 12%
Age Group (F40-44)
#0 / 1737
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
23:59
3.11 mi
Rank: #14736
Start → 5K
23:59 | 7:44/mi
10K
46:40
6.21 mi
Rank: #12938 (+1798)
5K → 10K
22:41 | 7:19/mi
15K
1:09:15
9.32 mi
Rank: #12188 (+750)
10K → 15K
22:35 | 7:17/mi
20K
1:32:23
12.43 mi
Rank: #12012 (+176)
15K → 20K
23:08 | 7:27/mi
HALF
1:37:22
13.11 mi
Rank: #11967 (+45)
20K → HALF
4:59 | 7:19/mi
25K
1:55:51
15.53 mi
Rank: #12044 (-77)
HALF → 25K
18:29 | 7:38/mi
30K
2:20:33
18.64 mi
Rank: #12211 (-167)
25K → 30K
24:42 | 7:58/mi
20M
2:31:28
20.00 mi
Rank: #12260 (-49)
30K → 20M
10:55 | 8:03/mi
21M
2:40:01
21.00 mi
Rank: #12317 (-57)
20M → 21M
8:33 | 8:33/mi
35K
2:45:52
21.75 mi
Rank: #12345 (-28)
21M → 35K
5:51 | 7:50/mi
23M
2:56:04
23.00 mi
Rank: #12401 (-56)
35K → 23M
10:12 | 8:10/mi
24M
3:03:56
24.00 mi
Rank: #12401
23M → 24M
7:52 | 7:52/mi
40K
3:10:44
24.85 mi
Rank: #12354 (+47)
24M → 40K
6:48 | 7:58/mi
25.2M
3:13:48
25.20 mi
Rank: #12383 (-29)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:21:53
26.22 mi
Rank: #12438 (-55)
25.2M → FINISH
8:05 | 7:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:22
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:44:31
Pace7:59 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0523:597:4423:59
7:44
-
10K
6.21 mi11:52:4646:407:3122:41
7:19
-0:25
15K
9.32 mi12:15:211:09:157:2622:35
7:17
-0:02
20K
12.43 mi12:38:291:32:237:2723:08
7:27
+0:10
HALF
13.11 mi12:43:281:37:227:264:59
7:19
-0:08
25K
15.53 mi13:01:571:55:517:2818:29
7:38
+0:19
30K
18.64 mi13:26:392:20:337:3324:42
7:58
+0:20
20M
20.00 mi13:37:342:31:287:3510:55
8:03
+0:05
21M
21.00 mi13:46:072:40:017:388:33
8:33
+0:30
35K
21.75 mi13:51:582:45:527:385:51
7:50
-0:43
23M
23.00 mi14:02:102:56:047:4010:12
8:10
+0:20
24M
24.00 mi14:10:023:03:567:407:52
7:52
-0:18
40K
24.85 mi14:16:503:10:447:416:48
7:58
+0:06
25.2M
25.20 mi14:19:543:13:487:423:04
8:54
+0:56
FINISH
26.22 mi14:27:593:21:537:438:05
7:56
-0:58

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

7:17 /mi

Average Pace

7:42 /mi

Slowest Pace

8:54 /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

1:31:52

46% of race

Time at Steady Pace

1:28:12

44% of race

Time at Slower Pace

21:49

11% of race

Average Pace: 7:42 /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 mi11:30:0523:597:4423:59
7:44
#14736
10K
6.21 mi11:52:4646:407:3122:41
7:19
#12938
15K
9.32 mi12:15:211:09:157:2622:35
7:17
#12188
20K
12.43 mi12:38:291:32:237:2723:08
7:27
#12012
HALF
13.11 mi12:43:281:37:227:264:59
7:19
#11967
25K
15.53 mi13:01:571:55:517:2818:29
7:38
#12044
30K
18.64 mi13:26:392:20:337:3324:42
7:58
#12211
20M
20.00 mi13:37:342:31:287:3510:55
8:03
#12260
21M
21.00 mi13:46:072:40:017:388:33
8:33
#12317
35K
21.75 mi13:51:582:45:527:385:51
7:50
#12345
23M
23.00 mi14:02:102:56:047:4010:12
8:10
#12401
24M
24.00 mi14:10:023:03:567:407:52
7:52
#12401
40K
24.85 mi14:16:503:10:447:416:48
7:58
#12354
25.2M
25.20 mi14:19:543:13:487:423:04
8:54
#12383
FINISH
26.22 mi14:27:593:21:537:438:05
7:56
#12438
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi147364508450810786(Top 37%)2362(Top 19%)2362(Top 136%)
10K6.21 mi3.10 mi12938+17983480+10283480+102811182(Top 39%)2536(Top 20%)2536(Top 146%)
15K9.32 mi3.11 mi12188+7503075+4053075+40510786(Top 37%)2362(Top 19%)2362(Top 136%)
20K12.43 mi3.11 mi12012+1762996+792996+7911538(Top 40%)2854(Top 23%)2854(Top 164%)
HALF13.11 mi0.68 mi11967+452969+272969+2711391(Top 39%)2711(Top 22%)2711(Top 156%)
25K15.53 mi2.42 mi12044-773057-883057-8812439(Top 43%)3409(Top 27%)3409(Top 196%)
30K18.64 mi3.11 mi12211-1673204-1473204-14713121(Top 45%)3899(Top 31%)3899(Top 224%)
20M20.00 mi1.36 mi12260-493248-443248-4413096(Top 45%)3989(Top 32%)3989(Top 230%)
21M21.00 mi1.00 mi12317-573309-613309-6113461(Top 46%)4289(Top 34%)4289(Top 247%)
35K21.75 mi0.75 mi12345-283341-323341-3213224(Top 46%)4195(Top 33%)4195(Top 242%)
23M23.00 mi1.25 mi12401-563400-593400-5913484(Top 46%)4428(Top 35%)4428(Top 255%)
24M24.00 mi1.00 mi124013426-263426-2612819(Top 44%)4153(Top 33%)4153(Top 239%)
40K24.85 mi0.85 mi12354+473420+63420+612210(Top 42%)3890(Top 31%)3890(Top 224%)
25.2M25.20 mi0.35 mi12383-293441-213441-2114096(Top 49%)4937(Top 39%)4937(Top 284%)
FINISH26.22 mi1.02 mi12438-553502-613502-6114729(Top 51%)5282(Top 42%)5282(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10786

Females

2362

F40-44

2362

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11182

Females

2536

F40-44

2536

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10786

Females

2362

F40-44

2362

15K→20K

9.3 - 12.4 mi

Top 40%
×5
+106ft-86ft

Overall

11538

Females

2854

F40-44

2854

20K→HALF

12.4 - 13.1 mi

Top 39%
×2
+19ft-37ft

Overall

11391

Females

2711

F40-44

2711

HALF→25K

13.1 - 15.5 mi

Top 43%
×4
+66ft-88ft

Overall

12439

Females

3409

F40-44

3409

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13121

Females

3899

F40-44

3899

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13096

Females

3989

F40-44

3989

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13461

Females

4289

F40-44

4289

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13224

Females

4195

F40-44

4195

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13484

Females

4428

F40-44

4428

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12819

Females

4153

F40-44

4153

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12210

Females

3890

F40-44

3890

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14096

Females

4937

F40-44

4937

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14729

Females

5282

F40-44

5282

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3623*
Passed By
1221
Net Change
+2298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14736
5K → 10K1811*13+1798#14736#12938
10K → 15K759*9+750#12938#12188
15K → 20K253*77+176#12188#12012
20K → HALF5510+45#12012#11967
HALF → 25K101178-77#11967#12044
25K → 30K137200-167#12044#12211
30K → 20M70119-49#12211#12260
20M → 21M70127-57#12260#12317
21M → 35K4472-28#12317#12345
35K → 23M66122-56#12345#12401
23M → 24M85850#12401#12401
24M → 40K9043+47#12401#12354
40K → 25.2M2655-29#12354#12383
25.2M → FINISH56111-55#12383#12438
TOTALS3623*1221+2298

* 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