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BOSTON MARATHON 2023

Monica Brum

Bib: 25783•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:48
Rank: #24038
Start → 5K
10:14/mi
31:48 split
10K· 6.21 mi
1:03:28
Rank: #24091 (-53)
5K → 10K
10:12/mi
31:40 split
15K· 9.32 mi
1:34:55
Rank: #23967 (+124)
10K → 15K
10:07/mi
31:27 split
20K· 12.43 mi
2:06:39
Rank: #23808 (+159)
15K → 20K
10:13/mi
31:44 split
Half· 13.11 mi
2:13:35
Rank: #23790 (+18)
20K → Half
10:10/mi
6:56 split
25K· 15.53 mi
2:38:57
Rank: #23660 (+130)
Half → 25K
10:28/mi
25:22 split
30K· 18.64 mi
3:13:53
Rank: #23611 (+49)
25K → 30K
11:15/mi
34:56 split
20M
3:28:34
Rank: #23527 (+84)
30K → 20M
10:48/mi
14:41 split
21M
3:39:43
Rank: #23412 (+115)
20M → 21M
11:09/mi
11:09 split
35K· 21.75 mi
3:47:37
Rank: #23392 (+20)
21M → 35K
10:34/mi
7:54 split
23M
4:01:05
Rank: #23300 (+92)
35K → 23M
10:45/mi
13:28 split
24M
4:12:23
Rank: #23332 (-32)
23M → 24M
11:18/mi
11:18 split
40K· 24.85 mi
4:22:52
Rank: #23373 (-41)
24M → 40K
12:16/mi
10:29 split
25.2M
4:28:29
Rank: #23470 (-97)
40K → 25.2M
16:17/mi
5:37 split
Finish· 26.22 mi
4:40:37
Rank: #23581 (-111)
25.2M → Finish
11:54/mi
12:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:35
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:27:02
Pace11:13 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4031:4810:1431:48
10:14
-
10K
6.21 mi12:23:201:03:2810:1331:40
10:12
-0:02
15K
9.32 mi12:54:471:34:5510:1131:27
10:07
-0:05
20K
12.43 mi13:26:312:06:3910:1131:44
10:13
+0:06
Half
13.11 mi13:33:272:13:3510:116:56
10:10
-0:03
25K
15.53 mi13:58:492:38:5710:1425:22
10:28
+0:18
30K
18.64 mi14:33:453:13:5310:2434:56
11:15
+0:47
20M
20.00 mi14:48:263:28:3410:2614:41
10:48
-0:27
21M
21.00 mi14:59:353:39:4310:2811:09
11:09
+0:21
35K
21.75 mi15:07:293:47:3710:287:54
10:34
-0:35
23M
23.00 mi15:20:574:01:0510:2913:28
10:45
+0:11
24M
24.00 mi15:32:154:12:2310:3111:18
11:18
+0:33
40K
24.85 mi15:42:444:22:5210:3510:29
12:16
+0:58
25.2M
25.20 mi15:48:214:28:2910:395:37
16:17
+4:01
Finish
26.22 mi16:00:294:40:3710:4312:08
11:54
-4:23

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

10:07 /mi

Average Pace

10:43 /mi

Slowest Pace

16:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:12:23

90% of race

Time at Slower Pace

28:14

10% of race

Average Pace: 10:42 /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 mi11:51:4031:4810:1431:48
10:14
#24038
10K
6.21 mi12:23:201:03:2810:1331:40
10:12
#24091
15K
9.32 mi12:54:471:34:5510:1131:27
10:07
#23967
20K
12.43 mi13:26:312:06:3910:1131:44
10:13
#23808
Half
13.11 mi13:33:272:13:3510:116:56
10:10
#23790
25K
15.53 mi13:58:492:38:5710:1425:22
10:28
#23660
30K
18.64 mi14:33:453:13:5310:2434:56
11:15
#23611
20M
20.00 mi14:48:263:28:3410:2614:41
10:48
#23527
21M
21.00 mi14:59:353:39:4310:2811:09
11:09
#23412
35K
21.75 mi15:07:293:47:3710:287:54
10:34
#23392
23M
23.00 mi15:20:574:01:0510:2913:28
10:45
#23300
24M
24.00 mi15:32:154:12:2310:3111:18
11:18
#23332
40K
24.85 mi15:42:444:22:5210:3510:29
12:16
#23373
25.2M
25.20 mi15:48:214:28:2910:395:37
16:17
#23470
Finish
26.22 mi16:00:294:40:3710:4312:08
11:54
#23581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240389911991123742(Top 89%)9745(Top 85%)9745(Top 200%)
10K6.21 mi3.10 mi24091-539942-319942-3124119(Top 91%)9953(Top 87%)9953(Top 204%)
15K9.32 mi3.11 mi23967+1249872+709872+7023742(Top 89%)9745(Top 85%)9745(Top 200%)
20K12.43 mi3.11 mi23808+1599782+909782+9023318(Top 88%)9525(Top 83%)9525(Top 195%)
Half13.11 mi0.68 mi23790+189776+69776+623619(Top 89%)9693(Top 85%)9693(Top 198%)
25K15.53 mi2.42 mi23660+1309712+649712+6423136(Top 87%)9462(Top 83%)9462(Top 194%)
30K18.64 mi3.11 mi23611+499706+69706+623486(Top 88%)9726(Top 85%)9726(Top 199%)
20M20.00 mi1.36 mi23527+849674+329674+3222367(Top 84%)9178(Top 80%)9178(Top 188%)
21M21.00 mi1.00 mi23412+1159616+589616+5821172(Top 80%)8557(Top 75%)8557(Top 175%)
35K21.75 mi0.75 mi23392+209615+19615+122511(Top 85%)9330(Top 82%)9330(Top 191%)
23M23.00 mi1.25 mi23300+929578+379578+3721894(Top 82%)9018(Top 79%)9018(Top 185%)
24M24.00 mi1.00 mi23332-329603-259603-2523592(Top 89%)9940(Top 87%)9940(Top 204%)
40K24.85 mi0.85 mi23373-419635-329635-3224189(Top 91%)10274(Top 90%)10274(Top 210%)
25.2M25.20 mi0.35 mi23470-979688-539688-5326195(Top 98%)11253(Top 99%)11253(Top 230%)
Finish26.22 mi1.02 mi23581-1119753-659753-6525149(Top 94%)10741(Top 94%)10741(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23742

Females

9745

F18-39

9745

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24119

Females

9953

F18-39

9953

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23742

Females

9745

F18-39

9745

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23318

Females

9525

F18-39

9525

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23619

Females

9693

F18-39

9693

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23136

Females

9462

F18-39

9462

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23486

Females

9726

F18-39

9726

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22367

Females

9178

F18-39

9178

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21172

Females

8557

F18-39

8557

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22511

Females

9330

F18-39

9330

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21894

Females

9018

F18-39

9018

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23592

Females

9940

F18-39

9940

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24189

Females

10274

F18-39

10274

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26195

Females

11253

F18-39

11253

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25149

Females

10741

F18-39

10741

Passing Analysis

Category:
Athletes Passed
1287
Passed By
830
Net Change
+457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24038
5K → 10K173226-53#24038#24091
10K → 15K19066+124#24091#23967
15K → 20K20546+159#23967#23808
20K → Half3012+18#23808#23790
Half → 25K15323+130#23790#23660
25K → 30K12980+49#23660#23611
30K → 20M939+84#23611#23527
20M → 21M1205+115#23527#23412
21M → 35K3818+20#23412#23392
35K → 23M997+92#23392#23300
23M → 24M2456-32#23300#23332
24M → 40K2263-41#23332#23373
40K → 25.2M3100-97#23373#23470
25.2M → Finish8119-111#23470#23581
TOTALS1287830+457
📊

Passing Visuals

Category:
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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