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BOSTON MARATHON 2026

Monica Guerra

Bib: 20379•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 (F45-49)
#0 / 1786
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
27:42
3.11 mi
Rank: #22243
Start → 5K
27:42 | 8:55/mi
10K
55:37
6.21 mi
Rank: #22506 (-263)
5K → 10K
27:55 | 9:00/mi
15K
1:23:18
9.32 mi
Rank: #22443 (+63)
10K → 15K
27:41 | 8:55/mi
20K
1:52:06
12.43 mi
Rank: #22578 (-135)
15K → 20K
28:48 | 9:17/mi
HALF
1:58:26
13.11 mi
Rank: #22650 (-72)
20K → HALF
6:20 | 9:18/mi
25K
2:21:34
15.53 mi
Rank: #22766 (-116)
HALF → 25K
23:08 | 9:33/mi
30K
2:52:26
18.64 mi
Rank: #22820 (-54)
25K → 30K
30:52 | 9:57/mi
20M
3:06:13
20.00 mi
Rank: #22826 (-6)
30K → 20M
13:47 | 10:09/mi
21M
3:16:53
21.00 mi
Rank: #22771 (+55)
20M → 21M
10:40 | 10:40/mi
35K
3:24:09
21.75 mi
Rank: #22755 (+16)
21M → 35K
7:16 | 9:43/mi
23M
3:36:37
23.00 mi
Rank: #22716 (+39)
35K → 23M
12:28 | 9:58/mi
24M
3:46:14
24.00 mi
Rank: #22661 (+55)
23M → 24M
9:37 | 9:37/mi
40K
3:54:40
24.85 mi
Rank: #22608 (+53)
24M → 40K
8:26 | 9:52/mi
25.2M
3:58:13
25.20 mi
Rank: #22568 (+40)
40K → 25.2M
3:33 | 10:18/mi
FINISH
4:07:23
26.22 mi
Rank: #22499 (+69)
25.2M → FINISH
9:10 | 9:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:26
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:08:57
Pace9:51 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:2927:428:5527:42
8:55
-
10K
6.21 mi11:40:2455:378:5827:55
9:00
+0:05
15K
9.32 mi12:08:051:23:188:5727:41
8:55
-0:05
20K
12.43 mi12:36:531:52:069:0228:48
9:17
+0:22
HALF
13.11 mi12:43:131:58:269:036:20
9:18
+0:01
25K
15.53 mi13:06:212:21:349:0723:08
9:33
+0:15
30K
18.64 mi13:37:132:52:269:1630:52
9:57
+0:24
20M
20.00 mi13:51:003:06:139:1913:47
10:09
+0:12
21M
21.00 mi14:01:403:16:539:2310:40
10:40
+0:31
35K
21.75 mi14:08:563:24:099:247:16
9:43
-0:57
23M
23.00 mi14:21:243:36:379:2612:28
9:58
+0:15
24M
24.00 mi14:31:013:46:149:269:37
9:37
-0:21
40K
24.85 mi14:39:273:54:409:278:26
9:52
+0:15
25.2M
25.20 mi14:43:003:58:139:283:33
10:18
+0:26
FINISH
26.22 mi14:52:104:07:239:279:10
9:00
-1:18

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

8:55 /mi

Average Pace

9:27 /mi

Slowest Pace

10:40 /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

2:47:37

68% of race

Time at Steady Pace

1:09:06

28% of race

Time at Slower Pace

10:40

4% of race

Average Pace: 9:26 /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 mi11:12:2927:428:5527:42
8:55
#22243
10K
6.21 mi11:40:2455:378:5827:55
9:00
#22506
15K
9.32 mi12:08:051:23:188:5727:41
8:55
#22443
20K
12.43 mi12:36:531:52:069:0228:48
9:17
#22578
HALF
13.11 mi12:43:131:58:269:036:20
9:18
#22650
25K
15.53 mi13:06:212:21:349:0723:08
9:33
#22766
30K
18.64 mi13:37:132:52:269:1630:52
9:57
#22820
20M
20.00 mi13:51:003:06:139:1913:47
10:09
#22826
21M
21.00 mi14:01:403:16:539:2310:40
10:40
#22771
35K
21.75 mi14:08:563:24:099:247:16
9:43
#22755
23M
23.00 mi14:21:243:36:379:2612:28
9:58
#22716
24M
24.00 mi14:31:013:46:149:269:37
9:37
#22661
40K
24.85 mi14:39:273:54:409:278:26
9:52
#22608
25.2M
25.20 mi14:43:003:58:139:283:33
10:18
#22568
FINISH
26.22 mi14:52:104:07:239:279:10
9:00
#22499
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi222438801880122275(Top 77%)8769(Top 70%)8769(Top 491%)
10K6.21 mi3.10 mi22506-2638917-1168917-11622778(Top 78%)9032(Top 72%)9032(Top 506%)
15K9.32 mi3.11 mi22443+638878+398878+3922275(Top 77%)8769(Top 70%)8769(Top 491%)
20K12.43 mi3.11 mi22578-1358935-578935-5723039(Top 79%)9194(Top 73%)9194(Top 515%)
HALF13.11 mi0.68 mi22650-728974-398974-3923780(Top 82%)9557(Top 76%)9557(Top 535%)
25K15.53 mi2.42 mi22766-1169055-819055-8123150(Top 80%)9276(Top 74%)9276(Top 519%)
30K18.64 mi3.11 mi22820-549107-529107-5222960(Top 79%)9266(Top 74%)9266(Top 519%)
20M20.00 mi1.36 mi22826-69129-229129-2222952(Top 79%)9346(Top 74%)9346(Top 523%)
21M21.00 mi1.00 mi22771+559118+119118+1122360(Top 77%)9080(Top 72%)9080(Top 508%)
35K21.75 mi0.75 mi22755+169124-69124-622402(Top 77%)9152(Top 73%)9152(Top 512%)
23M23.00 mi1.25 mi22716+399126-29126-222034(Top 76%)9014(Top 72%)9014(Top 505%)
24M24.00 mi1.00 mi22661+559107+199107+1921732(Top 75%)8912(Top 71%)8912(Top 499%)
40K24.85 mi0.85 mi22608+539099+89099+821559(Top 74%)8875(Top 71%)8875(Top 497%)
25.2M25.20 mi0.35 mi22568+409082+179082+1720473(Top 71%)8324(Top 66%)8324(Top 466%)
FINISH26.22 mi1.02 mi22499+699052+309052+3020515(Top 71%)8339(Top 66%)8339(Top 467%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22275

Females

8769

F45-49

8769

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22778

Females

9032

F45-49

9032

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22275

Females

8769

F45-49

8769

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

23039

Females

9194

F45-49

9194

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23780

Females

9557

F45-49

9557

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23150

Females

9276

F45-49

9276

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

22960

Females

9266

F45-49

9266

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22952

Females

9346

F45-49

9346

20M→21M

20.0 - 21.0 mi

Top 77%
×8
+106ft-24ft

Overall

22360

Females

9080

F45-49

9080

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22402

Females

9152

F45-49

9152

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22034

Females

9014

F45-49

9014

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21732

Females

8912

F45-49

8912

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21559

Females

8875

F45-49

8875

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20473

Females

8324

F45-49

8324

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20515

Females

8339

F45-49

8339

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1323
Passed By
1579
Net Change
-256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22243
5K → 10K162425-263#22243#22506
10K → 15K197134+63#22506#22443
15K → 20K131266-135#22443#22578
20K → HALF1183-72#22578#22650
HALF → 25K84200-116#22650#22766
25K → 30K161215-54#22766#22820
30K → 20M7076-6#22820#22826
20M → 21M9742+55#22826#22771
21M → 35K5236+16#22771#22755
35K → 23M8445+39#22755#22716
23M → 24M7419+55#22716#22661
24M → 40K7825+53#22661#22608
40K → 25.2M422+40#22608#22568
25.2M → FINISH8011+69#22568#22499
TOTALS13231579-256

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📊

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