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BOSTON MARATHON 2023

Marissa Mount

Bib: 14336•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
44:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:28
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:29:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:34:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:52:03
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:16:29
↑ 181↓ 1480.2%
20M
7:48/mi
2:27:05
↑ 64↓ 500.2%
21M
8:08/mi
2:35:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:40:50
↑ 17↓ 861.7%
23M
8:02/mi
2:50:54
↑ 23↓ 630.6%
24M
7:49/mi
2:58:43
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:05:40
↓ 200.3%
25.2M
8:42/mi
3:08:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:16:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0522:237:1222:23
7:12
-
10K
6.21 mi11:13:0344:217:0821:58
7:04
-0:08
15K
9.32 mi11:35:101:06:287:0822:07
7:07
+0:03
20K
12.43 mi11:57:491:29:077:1022:39
7:17
+0:10
Half
13.11 mi12:02:471:34:057:114:58
7:17
0:00
25K
15.53 mi12:20:451:52:037:1317:58
7:25
+0:08
30K
18.64 mi12:45:112:16:297:1924:26
7:52
+0:27
20M
20.00 mi12:55:472:27:057:2110:36
7:48
-0:04
21M
21.00 mi13:03:552:35:137:238:08
8:08
+0:20
35K
21.75 mi13:09:322:40:507:245:37
7:30
-0:38
23M
23.00 mi13:19:362:50:547:2610:04
8:02
+0:32
24M
24.00 mi13:27:252:58:437:277:49
7:49
-0:13
40K
24.85 mi13:34:223:05:407:286:57
8:08
+0:19
25.2M
25.20 mi13:37:223:08:407:293:00
8:42
+0:34
Finish
26.22 mi13:45:343:16:527:318:12
8:03
-0:39

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

7:04 /mi

Average Pace

7:31 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:40

60% of race

Time at Steady Pace

42:51

22% of race

Time at Slower Pace

36:21

18% of race

Average Pace: 7:30 /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 mi10:51:0522:237:1222:23
7:12
#7541
10K
6.21 mi11:13:0344:217:0821:58
7:04
#7352
15K
9.32 mi11:35:101:06:287:0822:07
7:07
#7309
20K
12.43 mi11:57:491:29:077:1022:39
7:17
#7357
Half
13.11 mi12:02:471:34:057:114:58
7:17
#7393
25K
15.53 mi12:20:451:52:037:1317:58
7:25
#7460
30K
18.64 mi12:45:112:16:297:1924:26
7:52
#7794
20M
20.00 mi12:55:472:27:057:2110:36
7:48
#7829
21M
21.00 mi13:03:552:35:137:238:08
8:08
#7800
35K
21.75 mi13:09:322:40:507:245:37
7:30
#7817
23M
23.00 mi13:19:362:50:547:2610:04
8:02
#7925
24M
24.00 mi13:27:252:58:437:277:49
7:49
#7992
40K
24.85 mi13:34:223:05:407:286:57
8:08
#8076
25.2M
25.20 mi13:37:223:08:407:293:00
8:42
#8117
Finish
26.22 mi13:45:343:16:527:318:12
8:03
#8255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75418548547282(Top 27%)833(Top 7%)833(Top 17%)
10K6.21 mi3.10 mi7352+189821+33821+337264(Top 27%)834(Top 7%)834(Top 17%)
15K9.32 mi3.11 mi7309+43816+5816+57282(Top 27%)833(Top 7%)833(Top 17%)
20K12.43 mi3.11 mi7357-48840-24840-247723(Top 29%)1010(Top 9%)1010(Top 21%)
Half13.11 mi0.68 mi7393-36851-11851-118508(Top 32%)1287(Top 11%)1287(Top 26%)
25K15.53 mi2.42 mi7460-67883-32883-328124(Top 31%)1230(Top 11%)1230(Top 25%)
30K18.64 mi3.11 mi7794-3341045-1621045-1629855(Top 37%)2088(Top 18%)2088(Top 43%)
20M20.00 mi1.36 mi7829-351068-231068-238872(Top 33%)1739(Top 15%)1739(Top 36%)
21M21.00 mi1.00 mi7800+291072-41072-48216(Top 31%)1612(Top 14%)1612(Top 33%)
35K21.75 mi0.75 mi7817-171089-171089-178607(Top 32%)1726(Top 15%)1726(Top 35%)
23M23.00 mi1.25 mi7925-1081158-691158-6910046(Top 38%)2523(Top 22%)2523(Top 52%)
24M24.00 mi1.00 mi7992-671205-471205-479932(Top 37%)2550(Top 22%)2550(Top 52%)
40K24.85 mi0.85 mi8076-841252-471252-4710897(Top 41%)3083(Top 27%)3083(Top 63%)
25.2M25.20 mi0.35 mi8117-411277-251277-2510763(Top 40%)3037(Top 27%)3037(Top 62%)
Finish26.22 mi1.02 mi8255-1381354-771354-7712441(Top 47%)3918(Top 34%)3918(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7282

Females

833

F18-39

833

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7264

Females

834

F18-39

834

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7282

Females

833

F18-39

833

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7723

Females

1010

F18-39

1010

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8508

Females

1287

F18-39

1287

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8124

Females

1230

F18-39

1230

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9855

Females

2088

F18-39

2088

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8872

Females

1739

F18-39

1739

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8216

Females

1612

F18-39

1612

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8607

Females

1726

F18-39

1726

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10046

Females

2523

F18-39

2523

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9932

Females

2550

F18-39

2550

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10897

Females

3083

F18-39

3083

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10763

Females

3037

F18-39

3037

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12441

Females

3918

F18-39

3918

Passing Analysis

Category:
Athletes Passed
1053
Passed By
1767
Net Change
-714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7541
5K → 10K326137+189#7541#7352
10K → 15K155112+43#7352#7309
15K → 20K92140-48#7309#7357
20K → Half1248-36#7357#7393
Half → 25K56123-67#7393#7460
25K → 30K63397-334#7460#7794
30K → 20M5792-35#7794#7829
20M → 21M8253+29#7829#7800
21M → 35K3249-17#7800#7817
35K → 23M52160-108#7817#7925
23M → 24M46113-67#7925#7992
24M → 40K34118-84#7992#8076
40K → 25.2M2364-41#8076#8117
25.2M → Finish23161-138#8117#8255
TOTALS10531767-714
📊

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