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BOSTON MARATHON 2026

Cecilia Arenas Bolivar

Bib: 31855β€’F

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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
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°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
33:31
3.11 mi
Rank: #27702
Start β†’ 5K
33:31 | 10:48/mi
10K
1:07:09
6.21 mi
Rank: #27563 (+139)
5K β†’ 10K
33:38 | 10:50/mi
15K
1:40:49
9.32 mi
Rank: #27441 (+122)
10K β†’ 15K
33:40 | 10:51/mi
20K
2:15:36
12.43 mi
Rank: #27386 (+55)
15K β†’ 20K
34:47 | 11:12/mi
HALF
2:23:07
13.11 mi
Rank: #27387 (-1)
20K β†’ HALF
7:31 | 11:02/mi
25K
2:51:24
15.53 mi
Rank: #27362 (+25)
HALF β†’ 25K
28:17 | 11:40/mi
30K
3:32:08
18.64 mi
Rank: #27494 (-132)
25K β†’ 30K
40:44 | 13:07/mi
20M
3:50:04
20.00 mi
Rank: #27529 (-35)
30K β†’ 20M
17:56 | 13:13/mi
21M
4:10:11
21.00 mi
Rank: #27839 (-310)
20M β†’ 21M
20:07 | 20:07/mi
35K
4:20:56
21.75 mi
Rank: #27878 (-39)
21M β†’ 35K
10:45 | 14:23/mi
23M
4:38:49
23.00 mi
Rank: #27920 (-42)
35K β†’ 23M
17:53 | 14:18/mi
24M
4:52:40
24.00 mi
Rank: #27938 (-18)
23M β†’ 24M
13:51 | 13:51/mi
40K
5:05:48
24.85 mi
Rank: #27986 (-48)
24M β†’ 40K
13:08 | 15:22/mi
25.2M
5:10:57
25.20 mi
Rank: #27990 (-4)
40K β†’ 25.2M
5:09 | 14:57/mi
FINISH
5:27:10
26.22 mi
Rank: #28110 (-120)
25.2M β†’ FINISH
16:13 | 15:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:23:07
Pace10:56 /mi
2nd Half
Distance13.11 mi
Time3:04:03
Pace14:03 /mi
πŸ“ŠPositive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:0733:3110:4833:31
10:48
-
10K
6.21 mi12:36:451:07:0910:4933:38
10:50
+0:02
15K
9.32 mi13:10:251:40:4910:4933:40
10:51
+0:01
20K
12.43 mi13:45:122:15:3610:5534:47
11:12
+0:21
HALF
13.11 mi13:52:432:23:0710:567:31
11:02
-0:10
25K
15.53 mi14:21:002:51:2411:0328:17
11:40
+0:38
30K
18.64 mi15:01:443:32:0811:2340:44
13:07
+1:27
20M
20.00 mi15:19:403:50:0411:3117:56
13:13
+0:06
21M
21.00 mi15:39:474:10:1111:5520:07
20:07
+6:54
35K
21.75 mi15:50:324:20:5612:0010:45
14:23
-5:44
23M
23.00 mi16:08:254:38:4912:0817:53
14:18
-0:05
24M
24.00 mi16:22:164:52:4012:1213:51
13:51
-0:27
40K
24.85 mi16:35:245:05:4812:1913:08
15:22
+1:31
25.2M
25.20 mi16:40:335:10:5712:215:09
14:57
-0:25
FINISH
26.22 mi16:56:465:27:1012:3016:13
15:55
+0:58

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

10:48 /mi

Average Pace

12:29 /mi

Slowest Pace

20:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:51:24

52% of race

Time at Steady Pace

1:41:09

31% of race

Time at Slower Pace

54:37

17% of race

Average Pace: 12:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi12:03:0733:3110:4833:31
10:48
#27702
10K
6.21 mi12:36:451:07:0910:4933:38
10:50
#27563
15K
9.32 mi13:10:251:40:4910:4933:40
10:51
#27441
20K
12.43 mi13:45:122:15:3610:5534:47
11:12
#27386
HALF
13.11 mi13:52:432:23:0710:567:31
11:02
#27387
25K
15.53 mi14:21:002:51:2411:0328:17
11:40
#27362
30K
18.64 mi15:01:443:32:0811:2340:44
13:07
#27494
20M
20.00 mi15:19:403:50:0411:3117:56
13:13
#27529
21M
21.00 mi15:39:474:10:1111:5520:07
20:07
#27839
35K
21.75 mi15:50:324:20:5612:0010:45
14:23
#27878
23M
23.00 mi16:08:254:38:4912:0817:53
14:18
#27920
24M
24.00 mi16:22:164:52:4012:1213:51
13:51
#27938
40K
24.85 mi16:35:245:05:4812:1913:08
15:22
#27986
25.2M
25.20 mi16:40:335:10:5712:215:09
14:57
#27990
FINISH
26.22 mi16:56:465:27:1012:3016:13
15:55
#28110
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 mi27702116901169027224(Top 94%)11441(Top 91%)11441(Top 659%)
10K6.21 mi3.10 mi27563+13911616+7411616+7427477(Top 95%)11587(Top 92%)11587(Top 667%)
15K9.32 mi3.11 mi27441+12211566+5011566+5027224(Top 94%)11441(Top 91%)11441(Top 659%)
20K12.43 mi3.11 mi27386+5511528+3811528+3827229(Top 94%)11441(Top 91%)11441(Top 659%)
HALF13.11 mi0.68 mi27387-111530-211530-227424(Top 94%)11612(Top 92%)11612(Top 669%)
25K15.53 mi2.42 mi27362+2511526+411526+427204(Top 94%)11480(Top 91%)11480(Top 661%)
30K18.64 mi3.11 mi27494-13211632-10611632-10627799(Top 96%)11889(Top 95%)11889(Top 684%)
20M20.00 mi1.36 mi27529-3511650-1811650-1827591(Top 95%)11817(Top 94%)11817(Top 680%)
21M21.00 mi1.00 mi27839-31011842-19211842-19228998(Top 100%)12565(Top 100%)12565(Top 723%)
35K21.75 mi0.75 mi27878-3911859-1711859-1728511(Top 98%)12355(Top 98%)12355(Top 711%)
23M23.00 mi1.25 mi27920-4211889-3011889-3028326(Top 98%)12257(Top 97%)12257(Top 706%)
24M24.00 mi1.00 mi27938-1811909-2011909-2028259(Top 97%)12246(Top 97%)12246(Top 705%)
40K24.85 mi0.85 mi27986-4811941-3211941-3228604(Top 99%)12412(Top 99%)12412(Top 715%)
25.2M25.20 mi0.35 mi27990-4119411194127919(Top 96%)12092(Top 96%)12092(Top 696%)
FINISH26.22 mi1.02 mi28110-12012021-8012021-8028924(Top 100%)12548(Top 100%)12548(Top 722%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21
+97ft-345ft

Overall

27224

Females

11441

F40-44

11441

5K→10K

3.1 - 6.2 mi

Top 95%
Γ—5
+79ft-138ft

Overall

27477

Females

11587

F40-44

11587

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3
+67ft-78ft

Overall

27224

Females

11441

F40-44

11441

15K→20K

9.3 - 12.4 mi

Top 94%
Γ—5
+106ft-86ft

Overall

27229

Females

11441

F40-44

11441

20K→HALF

12.4 - 13.1 mi

Top 94%
Γ—2
+19ft-37ft

Overall

27424

Females

11612

F40-44

11612

HALF→25K

13.1 - 15.5 mi

Top 94%
Γ—4
+66ft-88ft

Overall

27204

Females

11480

F40-44

11480

25K→30K

15.5 - 18.6 mi

Top 96%
Γ—9
+181ft-148ft

Overall

27799

Females

11889

F40-44

11889

30K→20M

18.6 - 20.0 mi

Top 95%
Γ—5
+64ft-50ft

Overall

27591

Females

11817

F40-44

11817

20M→21M

20.0 - 21.0 mi

Top 100%
Γ—8
+106ft-24ft

Overall

28998

Females

12565

F40-44

12565

21M→35K

21.0 - 21.8 mi

Top 98%
Γ—7
+17ft-86ft

Overall

28511

Females

12355

F40-44

12355

35K→23M

21.8 - 23.0 mi

Top 98%
Γ—5
+23ft-63ft

Overall

28326

Females

12257

F40-44

12257

23M→24M

23.0 - 24.0 mi

Top 97%
Γ—6
+12ft-82ft

Overall

28259

Females

12246

F40-44

12246

24M→40K

24.0 - 24.9 mi

Top 99%
Γ—1
+6ft-20ft

Overall

28604

Females

12412

F40-44

12412

40K→25.2M

24.9 - 25.2 mi

Top 96%
Γ—1
+13ft-16ft

Overall

27919

Females

12092

F40-44

12092

25.2M→FINISH

25.2 - 26.2 mi

Top 100%
Γ—2
+22ft-21ft

Overall

28924

Females

12548

F40-44

12548

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
764
Passed By
1172
Net Change
-408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27702
5K β†’ 10K23899+139#27702#27563
10K β†’ 15K18462+122#27563#27441
15K β†’ 20K12570+55#27441#27386
20K β†’ HALF3031-1#27386#27387
HALF β†’ 25K8459+25#27387#27362
25K β†’ 30K39171-132#27362#27494
30K β†’ 20M2257-35#27494#27529
20M β†’ 21M2312-310#27529#27839
21M β†’ 35K544-39#27839#27878
35K β†’ 23M850-42#27878#27920
23M β†’ 24M1230-18#27920#27938
24M β†’ 40K553-48#27938#27986
40K β†’ 25.2M711-4#27986#27990
25.2M β†’ FINISH3123-120#27990#28110
TOTALS7641172-408
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing