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BOSTON MARATHON 2023

Marissa Kunsch

Bib: 9354•F

HI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
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
6:52/mi
21:20
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:18
↑ 79↓ 1380.4%
15K· 9.32 mi
6:51/mi
1:03:35
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:25:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:30:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:47:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:12:13
↑ 181↓ 1480.2%
20M
8:08/mi
2:23:16
↑ 64↓ 500.2%
21M
8:40/mi
2:31:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:38:09
↑ 17↓ 861.7%
23M
8:28/mi
2:48:45
↑ 23↓ 630.6%
24M
8:16/mi
2:57:01
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:04:00
↓ 200.3%
25.2M
8:04/mi
3:06:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:14:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:44:05
Pace7:56 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0721:206:5221:20
6:52
-
10K
6.21 mi11:08:0542:186:4820:58
6:45
-0:07
15K
9.32 mi11:29:221:03:356:4921:17
6:51
+0:06
20K
12.43 mi11:51:091:25:226:5221:47
7:01
+0:10
Half
13.11 mi11:55:581:30:116:534:49
7:04
+0:03
25K
15.53 mi12:13:401:47:536:5717:42
7:18
+0:14
30K
18.64 mi12:38:002:12:137:0624:20
7:50
+0:32
20M
20.00 mi12:49:032:23:167:1011:03
8:08
+0:18
21M
21.00 mi12:57:432:31:567:148:40
8:40
+0:32
35K
21.75 mi13:03:562:38:097:166:13
8:19
-0:21
23M
23.00 mi13:14:322:48:457:2010:36
8:28
+0:09
24M
24.00 mi13:22:482:57:017:238:16
8:16
-0:12
40K
24.85 mi13:29:473:04:007:246:59
8:10
-0:06
25.2M
25.20 mi13:32:343:06:477:252:47
8:04
-0:06
Finish
26.22 mi13:40:033:14:167:257:29
7:21
-0:43

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

6:45 /mi

Average Pace

7:25 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:22

59% of race

Time at Steady Pace

38:10

20% of race

Time at Slower Pace

40:44

21% of race

Average Pace: 7:25 /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 mi10:47:0721:206:5221:20
6:52
#5303
10K
6.21 mi11:08:0542:186:4820:58
6:45
#5042
15K
9.32 mi11:29:221:03:356:4921:17
6:51
#5197
20K
12.43 mi11:51:091:25:226:5221:47
7:01
#5479
Half
13.11 mi11:55:581:30:116:534:49
7:04
#5575
25K
15.53 mi12:13:401:47:536:5717:42
7:18
#5877
30K
18.64 mi12:38:002:12:137:0624:20
7:50
#6363
20M
20.00 mi12:49:032:23:167:1011:03
8:08
#6609
21M
21.00 mi12:57:432:31:567:148:40
8:40
#6793
35K
21.75 mi13:03:562:38:097:166:13
8:19
#6969
23M
23.00 mi13:14:322:48:457:2010:36
8:28
#7264
24M
24.00 mi13:22:482:57:017:238:16
8:16
#7456
40K
24.85 mi13:29:473:04:007:246:59
8:10
#7561
25.2M
25.20 mi13:32:343:06:477:252:47
8:04
#7548
Finish
26.22 mi13:40:033:14:167:257:29
7:21
#7525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi53033953955595(Top 21%)452(Top 4%)452(Top 9%)
10K6.21 mi3.10 mi5042+261364+31364+314826(Top 18%)341(Top 3%)341(Top 7%)
15K9.32 mi3.11 mi5197-155375-11375-115595(Top 21%)452(Top 4%)452(Top 9%)
20K12.43 mi3.11 mi5479-282418-43418-436067(Top 23%)542(Top 5%)542(Top 11%)
Half13.11 mi0.68 mi5575-96428-10428-106983(Top 26%)767(Top 7%)767(Top 16%)
25K15.53 mi2.42 mi5877-302489-61489-617305(Top 27%)943(Top 8%)943(Top 19%)
30K18.64 mi3.11 mi6363-486615-126615-1269604(Top 36%)1969(Top 17%)1969(Top 40%)
20M20.00 mi1.36 mi6609-246696-81696-8111241(Top 42%)2837(Top 25%)2837(Top 58%)
21M21.00 mi1.00 mi6793-184746-50746-5011459(Top 43%)3110(Top 27%)3110(Top 64%)
35K21.75 mi0.75 mi6969-176800-54800-5414147(Top 53%)4627(Top 41%)4627(Top 95%)
23M23.00 mi1.25 mi7264-295925-125925-12512994(Top 49%)4057(Top 36%)4057(Top 83%)
24M24.00 mi1.00 mi7456-1921013-881013-8813059(Top 49%)4148(Top 36%)4148(Top 85%)
40K24.85 mi0.85 mi7561-1051068-551068-5511143(Top 42%)3213(Top 28%)3213(Top 66%)
25.2M25.20 mi0.35 mi7548+131070-21070-26964(Top 26%)1387(Top 12%)1387(Top 28%)
Finish26.22 mi1.02 mi7525+231086-161086-167422(Top 28%)1590(Top 14%)1590(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5595

Females

452

F18-39

452

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4826

Females

341

F18-39

341

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5595

Females

452

F18-39

452

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6067

Females

542

F18-39

542

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6983

Females

767

F18-39

767

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7305

Females

943

F18-39

943

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9604

Females

1969

F18-39

1969

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11241

Females

2837

F18-39

2837

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11459

Females

3110

F18-39

3110

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14147

Females

4627

F18-39

4627

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12994

Females

4057

F18-39

4057

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13059

Females

4148

F18-39

4148

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11143

Females

3213

F18-39

3213

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6964

Females

1387

F18-39

1387

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7422

Females

1590

F18-39

1590

Passing Analysis

Category:
Athletes Passed
751
Passed By
2973
Net Change
-2222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5303
5K → 10K35291+261#5303#5042
10K → 15K59214-155#5042#5197
15K → 20K49331-282#5197#5479
20K → Half298-96#5479#5575
Half → 25K20322-302#5575#5877
25K → 30K41527-486#5877#6363
30K → 20M12258-246#6363#6609
20M → 21M24208-184#6609#6793
21M → 35K11187-176#6793#6969
35K → 23M26321-295#6969#7264
23M → 24M17209-192#7264#7456
24M → 40K33138-105#7456#7561
40K → 25.2M3320+13#7561#7548
25.2M → Finish7249+23#7548#7525
TOTALS7512973-2222
📊

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