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BOSTON MARATHON 2023

Marie Mains

Bib: 19354 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:58/mi
27:53
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:52/mi
55:25
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:51/mi
1:22:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:55/mi
1:50:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:51/mi
1:56:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:53/mi
2:18:12
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:07/mi
2:46:30
↑ 181↓ 1480.2%
138 ft elev
20M
9:00/mi
2:58:44
↑ 64↓ 500.2%
148 ft elev
21M
9:19/mi
3:08:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:29/mi
3:14:24
↑ 17↓ 861.7%
156 ft elev
23M
8:34/mi
3:25:08
↑ 23↓ 630.6%
116 ft elev
24M
8:12/mi
3:33:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:21/mi
3:40:28
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:43:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:49/mi
3:51:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:40
Pace8:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3427:538:5827:53
8:58
-
10K
6.21 mi11:47:0655:258:5527:32
8:52
-0:06
15K
9.32 mi12:14:371:22:568:5427:31
8:51
-0:01
20K
12.43 mi12:42:191:50:388:5427:42
8:55
+0:04
Half
13.11 mi12:48:211:56:408:546:02
8:51
-0:04
25K
15.53 mi13:09:532:18:128:5421:32
8:53
+0:02
30K
18.64 mi13:38:112:46:308:5628:18
9:07
+0:14
20M
20.00 mi13:50:252:58:448:5612:14
9:00
-0:07
21M
21.00 mi13:59:443:08:038:579:19
9:19
+0:19
35K
21.75 mi14:06:053:14:248:566:21
8:29
-0:50
23M
23.00 mi14:16:493:25:088:5510:44
8:34
+0:05
24M
24.00 mi14:25:013:33:208:538:12
8:12
-0:22
40K
24.85 mi14:32:093:40:288:527:08
8:21
+0:09
25.2M
25.20 mi14:35:103:43:298:523:01
8:45
+0:24
Finish
26.22 mi14:43:083:51:278:507:58
7:49
-0:56

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

7:49 /mi

Average Pace

8:50 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:23

17% of race

Time at Steady Pace

3:01:45

79% of race

Time at Slower Pace

9:19

4% of race

Average Pace: 8:50 /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 mi11:19:3427:538:5827:53
8:58
#20334
10K
6.21 mi11:47:0655:258:5527:32
8:52
#20298
15K
9.32 mi12:14:371:22:568:5427:31
8:51
#20111
20K
12.43 mi12:42:191:50:388:5427:42
8:55
#19868
Half
13.11 mi12:48:211:56:408:546:02
8:51
#19847
25K
15.53 mi13:09:532:18:128:5421:32
8:53
#19604
30K
18.64 mi13:38:112:46:308:5628:18
9:07
#19264
20M
20.00 mi13:50:252:58:448:5612:14
9:00
#19060
21M
21.00 mi13:59:443:08:038:579:19
9:19
#18827
35K
21.75 mi14:06:053:14:248:566:21
8:29
#18685
23M
23.00 mi14:16:493:25:088:5510:44
8:34
#18404
24M
24.00 mi14:25:013:33:208:538:12
8:12
#18185
40K
24.85 mi14:32:093:40:288:527:08
8:21
#18007
25.2M
25.20 mi14:35:103:43:298:523:01
8:45
#17896
Finish
26.22 mi14:43:083:51:278:507:58
7:49
#17661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi203348013801319829(Top 74%)7581(Top 66%)7581(Top 417%)
10K6.21 mi3.10 mi20298+367916+977916+9720238(Top 76%)7836(Top 69%)7836(Top 431%)
15K9.32 mi3.11 mi20111+1877798+1187798+11819829(Top 74%)7581(Top 66%)7581(Top 417%)
20K12.43 mi3.11 mi19868+2437640+1587640+15819285(Top 72%)7256(Top 64%)7256(Top 399%)
Half13.11 mi0.68 mi19847+217631+97631+919724(Top 74%)7495(Top 66%)7495(Top 412%)
25K15.53 mi2.42 mi19604+2437486+1457486+14518366(Top 69%)6761(Top 59%)6761(Top 372%)
30K18.64 mi3.11 mi19264+3407294+1927294+19217740(Top 67%)6486(Top 57%)6486(Top 357%)
20M20.00 mi1.36 mi19060+2047187+1077187+10716578(Top 62%)5915(Top 52%)5915(Top 326%)
21M21.00 mi1.00 mi18827+2337069+1187069+11815120(Top 57%)5137(Top 45%)5137(Top 283%)
35K21.75 mi0.75 mi18685+1426987+826987+8215315(Top 58%)5319(Top 47%)5319(Top 293%)
23M23.00 mi1.25 mi18404+2816854+1336854+13313694(Top 51%)4452(Top 39%)4452(Top 245%)
24M24.00 mi1.00 mi18185+2196734+1206734+12012665(Top 48%)3965(Top 35%)3965(Top 218%)
40K24.85 mi0.85 mi18007+1786645+896645+8912398(Top 47%)3898(Top 34%)3898(Top 215%)
25.2M25.20 mi0.35 mi17896+1116571+746571+7411157(Top 42%)3315(Top 29%)3315(Top 182%)
Finish26.22 mi1.02 mi17661+2356452+1196452+11910872(Top 41%)3146(Top 28%)3146(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19829

Females

7581

F45-49

7581

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20238

Females

7836

F45-49

7836

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19829

Females

7581

F45-49

7581

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19285

Females

7256

F45-49

7256

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19724

Females

7495

F45-49

7495

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18366

Females

6761

F45-49

6761

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17740

Females

6486

F45-49

6486

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16578

Females

5915

F45-49

5915

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15120

Females

5137

F45-49

5137

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15315

Females

5319

F45-49

5319

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13694

Females

4452

F45-49

4452

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12665

Females

3965

F45-49

3965

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12398

Females

3898

F45-49

3898

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11157

Females

3315

F45-49

3315

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10872

Females

3146

F45-49

3146

Passing Analysis

Category:
Athletes Passed
3209
Passed By
536
Net Change
+2673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20334
5K → 10K318282+36#20334#20298
10K → 15K291104+187#20298#20111
15K → 20K30259+243#20111#19868
20K → Half4120+21#19868#19847
Half → 25K26522+243#19847#19604
25K → 30K36828+340#19604#19264
30K → 20M21410+204#19264#19060
20M → 21M2374+233#19060#18827
21M → 35K1464+142#18827#18685
35K → 23M2832+281#18685#18404
23M → 24M2190+219#18404#18185
24M → 40K1791+178#18185#18007
40K → 25.2M1110+111#18007#17896
25.2M → Finish2350+235#17896#17661
TOTALS3209536+2673
📊

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