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BOSTON MARATHON 2025

Denisse Monroy

Bib: 18571•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #12952
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
46:52
Rank: #12514 (+438)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:10:25
Rank: #12478 (+36)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:34:23
Rank: #12452 (+26)
15K → 20K
23:58 | 7:43/mi
Half· 13.11 mi
1:39:32
Rank: #12434 (+18)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:25
Rank: #12385 (+49)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:23:44
Rank: #12364 (+21)
25K → 30K
25:19 | 8:09/mi
20M
2:34:49
Rank: #12250 (+114)
30K → 20M
11:05 | 8:09/mi
21M
2:43:45
Rank: #12290 (-40)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:49:40
Rank: #12237 (+53)
21M → 35K
5:55 | 7:55/mi
23M
2:59:59
Rank: #12170 (+67)
35K → 23M
10:19 | 8:14/mi
24M
3:07:53
Rank: #12078 (+92)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:15:01
Rank: #12072 (+6)
24M → 40K
7:08 | 8:21/mi
25.2M
3:18:03
Rank: #12031 (+41)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:25:50
Rank: #11932 (+99)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:32
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0723:337:3523:33
7:35
-
10K
6.21 mi11:37:2646:527:3323:19
7:30
-0:05
15K
9.32 mi12:00:591:10:257:3323:33
7:35
+0:05
20K
12.43 mi12:24:571:34:237:3623:58
7:43
+0:08
Half
13.11 mi12:30:061:39:327:365:09
7:33
-0:10
25K
15.53 mi12:48:591:58:257:3718:53
7:47
+0:14
30K
18.64 mi13:14:182:23:447:4325:19
8:09
+0:22
20M
20.00 mi13:25:232:34:497:4411:05
8:09
0:00
21M
21.00 mi13:34:192:43:457:488:56
8:56
+0:47
35K
21.75 mi13:40:142:49:407:485:55
7:55
-1:01
23M
23.00 mi13:50:332:59:597:5010:19
8:14
+0:19
24M
24.00 mi13:58:273:07:537:507:54
7:54
-0:20
40K
24.85 mi14:05:353:15:017:517:08
8:21
+0:27
25.2M
25.20 mi14:08:373:18:037:523:02
8:48
+0:27
Finish
26.22 mi14:16:243:25:507:517:47
7:38
-1:10

Checkpoints & Pacing

📈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

7:30 /mi

Average Pace

7:51 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:44

91% of race

Time at Steady Pace

10:10

5% of race

Time at Slower Pace

8:56

4% of race

Average Pace: 7:51 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:0723:337:3523:33
7:35
#12952
10K
6.21 mi11:37:2646:527:3323:19
7:30
#12514
15K
9.32 mi12:00:591:10:257:3323:33
7:35
#12478
20K
12.43 mi12:24:571:34:237:3623:58
7:43
#12452
Half
13.11 mi12:30:061:39:327:365:09
7:33
#12434
25K
15.53 mi12:48:591:58:257:3718:53
7:47
#12385
30K
18.64 mi13:14:182:23:447:4325:19
8:09
#12364
20M
20.00 mi13:25:232:34:497:4411:05
8:09
#12250
21M
21.00 mi13:34:192:43:457:488:56
8:56
#12290
35K
21.75 mi13:40:142:49:407:485:55
7:55
#12237
23M
23.00 mi13:50:332:59:597:5010:19
8:14
#12170
24M
24.00 mi13:58:273:07:537:507:54
7:54
#12078
40K
24.85 mi14:05:353:15:017:517:08
8:21
#12072
25.2M
25.20 mi14:08:373:18:037:523:02
8:48
#12031
Finish
26.22 mi14:16:243:25:507:517:47
7:38
#11932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129523290329012437(Top 44%)3130(Top 26%)3130(Top 57%)
10K6.21 mi3.10 mi12514+4383080+2103080+21012160(Top 43%)2904(Top 24%)2904(Top 53%)
15K9.32 mi3.11 mi12478+363090-103090-1012437(Top 44%)3130(Top 26%)3130(Top 57%)
20K12.43 mi3.11 mi12452+263118-283118-2812555(Top 44%)3301(Top 27%)3301(Top 60%)
Half13.11 mi0.68 mi12434+183114+43114+412205(Top 43%)3066(Top 25%)3066(Top 56%)
25K15.53 mi2.42 mi12385+493128-143128-1412255(Top 43%)3253(Top 27%)3253(Top 59%)
30K18.64 mi3.11 mi12364+213196-683196-6812435(Top 44%)3520(Top 29%)3520(Top 64%)
20M20.00 mi1.36 mi12250+1143169+273169+2711530(Top 41%)3199(Top 26%)3199(Top 58%)
21M21.00 mi1.00 mi12290-403227-583227-5813137(Top 46%)4182(Top 34%)4182(Top 76%)
35K21.75 mi0.75 mi12237+533225+23225+211665(Top 41%)3467(Top 28%)3467(Top 63%)
23M23.00 mi1.25 mi12170+673224+13224+111664(Top 41%)3562(Top 29%)3562(Top 65%)
24M24.00 mi1.00 mi12078+923213+113213+1110572(Top 37%)3083(Top 25%)3083(Top 56%)
40K24.85 mi0.85 mi12072+63245-323245-3212440(Top 44%)4149(Top 34%)4149(Top 76%)
25.2M25.20 mi0.35 mi12031+413240+53240+510670(Top 38%)3326(Top 27%)3326(Top 61%)
Finish26.22 mi1.02 mi11932+993218+223218+2210252(Top 36%)3112(Top 25%)3112(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12437

Females

3130

F18-39

3130

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12160

Females

2904

F18-39

2904

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12437

Females

3130

F18-39

3130

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12555

Females

3301

F18-39

3301

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12205

Females

3066

F18-39

3066

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12255

Females

3253

F18-39

3253

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12435

Females

3520

F18-39

3520

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11530

Females

3199

F18-39

3199

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13137

Females

4182

F18-39

4182

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11665

Females

3467

F18-39

3467

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11664

Females

3562

F18-39

3562

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10572

Females

3083

F18-39

3083

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12440

Females

4149

F18-39

4149

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10670

Females

3326

F18-39

3326

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10252

Females

3112

F18-39

3112

Passing Analysis

Category:
Athletes Passed
2302
Passed By
1282
Net Change
+1020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12952
5K → 10K560122+438#12952#12514
10K → 15K205169+36#12514#12478
15K → 20K208182+26#12478#12452
20K → Half3719+18#12452#12434
Half → 25K180131+49#12434#12385
25K → 30K246225+21#12385#12364
30K → 20M17258+114#12364#12250
20M → 21M84124-40#12250#12290
21M → 35K8431+53#12290#12237
35K → 23M13568+67#12237#12170
23M → 24M12937+92#12170#12078
24M → 40K7670+6#12078#12072
40K → 25.2M5716+41#12072#12031
25.2M → Finish12930+99#12031#11932
TOTALS23021282+1020
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing