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BOSTON MARATHON 2026

Monica Coronado Guerrero

Bib: 18040•F

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
25:06
3.11 mi
Rank: #17494
Start → 5K
25:06 | 8:05/mi
10K
49:39
6.21 mi
Rank: #17014 (+480)
5K → 10K
24:33 | 7:55/mi
15K
1:14:29
9.32 mi
Rank: #16988 (+26)
10K → 15K
24:50 | 8:00/mi
20K
1:40:10
12.43 mi
Rank: #17268 (-280)
15K → 20K
25:41 | 8:16/mi
HALF
1:45:53
13.11 mi
Rank: #17382 (-114)
20K → HALF
5:43 | 8:24/mi
25K
2:07:14
15.53 mi
Rank: #17887 (-505)
HALF → 25K
21:21 | 8:49/mi
30K
2:36:09
18.64 mi
Rank: #18490 (-603)
25K → 30K
28:55 | 9:19/mi
20M
2:49:13
20.00 mi
Rank: #18740 (-250)
30K → 20M
13:04 | 9:38/mi
21M
2:59:37
21.00 mi
Rank: #18996 (-256)
20M → 21M
10:24 | 10:24/mi
35K
3:06:11
21.75 mi
Rank: #18970 (+26)
21M → 35K
6:34 | 8:47/mi
23M
3:18:17
23.00 mi
Rank: #19156 (-186)
35K → 23M
12:06 | 9:41/mi
24M
3:27:19
24.00 mi
Rank: #19185 (-29)
23M → 24M
9:02 | 9:02/mi
40K
3:34:57
24.85 mi
Rank: #19135 (+50)
24M → 40K
7:38 | 8:56/mi
25.2M
3:38:16
25.20 mi
Rank: #19116 (+19)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:46:55
26.22 mi
Rank: #19061 (+55)
25.2M → FINISH
8:39 | 8:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time2:01:02
Pace9:14 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:4125:068:0525:06
8:05
-
10K
6.21 mi11:32:1449:398:0024:33
7:55
-0:10
15K
9.32 mi11:57:041:14:298:0024:50
8:00
+0:05
20K
12.43 mi12:22:451:40:108:0425:41
8:16
+0:16
HALF
13.11 mi12:28:281:45:538:055:43
8:24
+0:08
25K
15.53 mi12:49:492:07:148:1221:21
8:49
+0:25
30K
18.64 mi13:18:442:36:098:2328:55
9:19
+0:30
20M
20.00 mi13:31:482:49:138:2813:04
9:38
+0:19
21M
21.00 mi13:42:122:59:378:3410:24
10:24
+0:46
35K
21.75 mi13:48:463:06:118:346:34
8:47
-1:37
23M
23.00 mi14:00:523:18:178:3812:06
9:41
+0:54
24M
24.00 mi14:09:543:27:198:399:02
9:02
-0:39
40K
24.85 mi14:17:323:34:578:397:38
8:56
-0:06
25.2M
25.20 mi14:20:513:38:168:403:19
9:38
+0:42
FINISH
26.22 mi14:29:303:46:558:408:39
8:30
-1:08

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

7:55 /mi

Average Pace

8:40 /mi

Slowest Pace

10:24 /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

1:45:53

47% of race

Time at Steady Pace

53:14

23% of race

Time at Slower Pace

1:07:48

30% of race

Average Pace: 8:39 /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 mi11:07:4125:068:0525:06
8:05
#17494
10K
6.21 mi11:32:1449:398:0024:33
7:55
#17014
15K
9.32 mi11:57:041:14:298:0024:50
8:00
#16988
20K
12.43 mi12:22:451:40:108:0425:41
8:16
#17268
HALF
13.11 mi12:28:281:45:538:055:43
8:24
#17382
25K
15.53 mi12:49:492:07:148:1221:21
8:49
#17887
30K
18.64 mi13:18:442:36:098:2328:55
9:19
#18490
20M
20.00 mi13:31:482:49:138:2813:04
9:38
#18740
21M
21.00 mi13:42:122:59:378:3410:24
10:24
#18996
35K
21.75 mi13:48:463:06:118:346:34
8:47
#18970
23M
23.00 mi14:00:523:18:178:3812:06
9:41
#19156
24M
24.00 mi14:09:543:27:198:399:02
9:02
#19185
40K
24.85 mi14:17:323:34:578:397:38
8:56
#19135
25.2M
25.20 mi14:20:513:38:168:403:19
9:38
#19116
FINISH
26.22 mi14:29:303:46:558:408:39
8:30
#19061
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174946209620916982(Top 59%)5910(Top 47%)5910(Top 103%)
10K6.21 mi3.10 mi17014+4805942+2675942+26716503(Top 57%)5629(Top 45%)5629(Top 98%)
15K9.32 mi3.11 mi16988+265925+175925+1716982(Top 59%)5910(Top 47%)5910(Top 103%)
20K12.43 mi3.11 mi17268-2806087-1626087-16217917(Top 62%)6471(Top 51%)6471(Top 113%)
HALF13.11 mi0.68 mi17382-1146153-666153-6619589(Top 67%)7368(Top 59%)7368(Top 129%)
25K15.53 mi2.42 mi17887-5056435-2826435-28220262(Top 70%)7785(Top 62%)7785(Top 136%)
30K18.64 mi3.11 mi18490-6036821-3866821-38620953(Top 72%)8228(Top 65%)8228(Top 144%)
20M20.00 mi1.36 mi18740-2506975-1546975-15421481(Top 74%)8590(Top 68%)8590(Top 150%)
21M21.00 mi1.00 mi18996-2567132-1577132-15721681(Top 75%)8724(Top 69%)8724(Top 153%)
35K21.75 mi0.75 mi18970+267139-77139-719022(Top 66%)7445(Top 59%)7445(Top 130%)
23M23.00 mi1.25 mi19156-1867250-1117250-11121157(Top 73%)8554(Top 68%)8554(Top 150%)
24M24.00 mi1.00 mi19185-297300-507300-5019616(Top 68%)7857(Top 62%)7857(Top 137%)
40K24.85 mi0.85 mi19135+507288+127288+1218071(Top 62%)7081(Top 56%)7081(Top 124%)
25.2M25.20 mi0.35 mi19116+197283+57283+517952(Top 62%)7015(Top 56%)7015(Top 123%)
FINISH26.22 mi1.02 mi19061+557267+167267+1618128(Top 62%)7117(Top 57%)7117(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

16982

Females

5910

F18-39

5910

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16503

Females

5629

F18-39

5629

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

16982

Females

5910

F18-39

5910

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17917

Females

6471

F18-39

6471

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19589

Females

7368

F18-39

7368

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20262

Females

7785

F18-39

7785

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20953

Females

8228

F18-39

8228

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21481

Females

8590

F18-39

8590

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21681

Females

8724

F18-39

8724

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19022

Females

7445

F18-39

7445

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21157

Females

8554

F18-39

8554

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19616

Females

7857

F18-39

7857

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

18071

Females

7081

F18-39

7081

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17952

Females

7015

F18-39

7015

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18128

Females

7117

F18-39

7117

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1459*
Passed By
1835
Net Change
-1567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17494
5K → 10K593*113+480#17494#17014
10K → 15K198172+26#17014#16988
15K → 20K96200-280#16988#17268
20K → HALF11125-114#17268#17382
HALF → 25K32200-505#17382#17887
25K → 30K77200-603#17887#18490
30K → 20M37200-250#18490#18740
20M → 21M31200-256#18740#18996
21M → 35K6943+26#18996#18970
35K → 23M38200-186#18970#19156
23M → 24M7099-29#19156#19185
24M → 40K7929+50#19185#19135
40K → 25.2M4122+19#19135#19116
25.2M → FINISH8732+55#19116#19061
TOTALS1459*1835-1567

* 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