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BOSTON MARATHON 2026

Glenda Sosa

Bib: 24539•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F55-59)
#0 / 951
Top 13%
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
27:02
3.11 mi
Rank: #21200
Start → 5K
27:02 | 8:43/mi
10K
52:53
6.21 mi
Rank: #20222 (+978)
5K → 10K
25:51 | 8:20/mi
15K
1:18:05
9.32 mi
Rank: #19463 (+759)
10K → 15K
25:12 | 8:07/mi
20K
1:43:47
12.43 mi
Rank: #19073 (+390)
15K → 20K
25:42 | 8:17/mi
HALF
1:49:15
13.11 mi
Rank: #18982 (+91)
20K → HALF
5:28 | 8:02/mi
25K
2:09:38
15.53 mi
Rank: #18812 (+170)
HALF → 25K
20:23 | 8:25/mi
30K
2:35:52
18.64 mi
Rank: #18407 (+405)
25K → 30K
26:14 | 8:27/mi
20M
2:47:10
20.00 mi
Rank: #18147 (+260)
30K → 20M
11:18 | 8:20/mi
21M
2:56:05
21.00 mi
Rank: #17999 (+148)
20M → 21M
8:55 | 8:55/mi
35K
3:02:02
21.75 mi
Rank: #17849 (+150)
21M → 35K
5:57 | 7:58/mi
23M
3:11:55
23.00 mi
Rank: #17496 (+353)
35K → 23M
9:53 | 7:54/mi
24M
3:19:30
24.00 mi
Rank: #17202 (+294)
23M → 24M
7:35 | 7:35/mi
40K
3:26:16
24.85 mi
Rank: #16999 (+203)
24M → 40K
6:46 | 7:55/mi
25.2M
3:29:15
25.20 mi
Rank: #16941 (+58)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:37:22
26.22 mi
Rank: #16829 (+112)
25.2M → FINISH
8:07 | 7:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:49:15
Pace8:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:07
Pace8:15 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:0727:028:4327:02
8:43
-
10K
6.21 mi11:56:5852:538:3125:51
8:20
-0:23
15K
9.32 mi12:22:101:18:058:2325:12
8:07
-0:13
20K
12.43 mi12:47:521:43:478:2225:42
8:17
+0:10
HALF
13.11 mi12:53:201:49:158:215:28
8:02
-0:15
25K
15.53 mi13:13:432:09:388:2120:23
8:25
+0:23
30K
18.64 mi13:39:572:35:528:2226:14
8:27
+0:02
20M
20.00 mi13:51:152:47:108:2211:18
8:20
-0:07
21M
21.00 mi14:00:102:56:058:248:55
8:55
+0:35
35K
21.75 mi14:06:073:02:028:235:57
7:58
-0:57
23M
23.00 mi14:16:003:11:558:219:53
7:54
-0:04
24M
24.00 mi14:23:353:19:308:197:35
7:35
-0:19
40K
24.85 mi14:30:213:26:168:186:46
7:55
+0:20
25.2M
25.20 mi14:33:203:29:158:192:59
8:40
+0:45
FINISH
26.22 mi14:41:273:37:228:188:07
7:58
-0:42

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

7:35 /mi

Average Pace

8:18 /mi

Slowest Pace

8:55 /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

2:11:49

61% of race

Time at Steady Pace

1:25:33

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:31:0727:028:4327:02
8:43
#21200
10K
6.21 mi11:56:5852:538:3125:51
8:20
#20222
15K
9.32 mi12:22:101:18:058:2325:12
8:07
#19463
20K
12.43 mi12:47:521:43:478:2225:42
8:17
#19073
HALF
13.11 mi12:53:201:49:158:215:28
8:02
#18982
25K
15.53 mi13:13:432:09:388:2120:23
8:25
#18812
30K
18.64 mi13:39:572:35:528:2226:14
8:27
#18407
20M
20.00 mi13:51:152:47:108:2211:18
8:20
#18147
21M
21.00 mi14:00:102:56:058:248:55
8:55
#17999
35K
21.75 mi14:06:073:02:028:235:57
7:58
#17849
23M
23.00 mi14:16:003:11:558:219:53
7:54
#17496
24M
24.00 mi14:23:353:19:308:197:35
7:35
#17202
40K
24.85 mi14:30:213:26:168:186:46
7:55
#16999
25.2M
25.20 mi14:33:203:29:158:192:59
8:40
#16941
FINISH
26.22 mi14:41:273:37:228:188:07
7:58
#16829
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 mi212008279827917790(Top 61%)6358(Top 51%)6358(Top 669%)
10K6.21 mi3.10 mi20222+9787726+5537726+55319309(Top 67%)7193(Top 57%)7193(Top 756%)
15K9.32 mi3.11 mi19463+7597311+4157311+41517790(Top 61%)6358(Top 51%)6358(Top 669%)
20K12.43 mi3.11 mi19073+3907097+2147097+21417934(Top 62%)6476(Top 51%)6476(Top 681%)
HALF13.11 mi0.68 mi18982+917052+457052+4517305(Top 60%)6088(Top 48%)6088(Top 640%)
25K15.53 mi2.42 mi18812+1706959+936959+9318021(Top 62%)6565(Top 52%)6565(Top 690%)
30K18.64 mi3.11 mi18407+4056770+1896770+18916537(Top 57%)5834(Top 46%)5834(Top 613%)
20M20.00 mi1.36 mi18147+2606648+1226648+12215080(Top 52%)5110(Top 41%)5110(Top 537%)
21M21.00 mi1.00 mi17999+1486577+716577+7115697(Top 54%)5523(Top 44%)5523(Top 581%)
35K21.75 mi0.75 mi17849+1506499+786499+7814227(Top 49%)4776(Top 38%)4776(Top 502%)
23M23.00 mi1.25 mi17496+3536322+1776322+17711793(Top 41%)3503(Top 28%)3503(Top 368%)
24M24.00 mi1.00 mi17202+2946179+1436179+14310794(Top 37%)3078(Top 24%)3078(Top 324%)
40K24.85 mi0.85 mi16999+2036084+956084+9511959(Top 41%)3780(Top 30%)3780(Top 397%)
25.2M25.20 mi0.35 mi16941+586060+246060+2412712(Top 44%)4244(Top 34%)4244(Top 446%)
FINISH26.22 mi1.02 mi16829+1126018+426018+4214981(Top 52%)5433(Top 43%)5433(Top 571%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17790

Females

6358

F55-59

6358

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19309

Females

7193

F55-59

7193

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17790

Females

6358

F55-59

6358

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17934

Females

6476

F55-59

6476

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17305

Females

6088

F55-59

6088

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

18021

Females

6565

F55-59

6565

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16537

Females

5834

F55-59

5834

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

15080

Females

5110

F55-59

5110

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15697

Females

5523

F55-59

5523

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14227

Females

4776

F55-59

4776

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11793

Females

3503

F55-59

3503

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10794

Females

3078

F55-59

3078

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11959

Females

3780

F55-59

3780

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12712

Females

4244

F55-59

4244

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

14981

Females

5433

F55-59

5433

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4593*
Passed By
222
Net Change
+4371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21200
5K → 10K1034*56+978#21200#20222
10K → 15K772*13+759#20222#19463
15K → 20K415*25+390#19463#19073
20K → HALF954+91#19073#18982
HALF → 25K228*58+170#18982#18812
25K → 30K425*20+405#18812#18407
30K → 20M267*7+260#18407#18147
20M → 21M15911+148#18147#17999
21M → 35K1533+150#17999#17849
35K → 23M354*1+353#17849#17496
23M → 24M294*0+294#17496#17202
24M → 40K205*2+203#17202#16999
40K → 25.2M602+58#16999#16941
25.2M → FINISH13220+112#16941#16829
TOTALS4593*222+4371

* 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