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BOSTON MARATHON 2023

Manami Jin

Bib: 31828 F JP

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:19/mi
25:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:43/mi
49:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:58/mi
1:14:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:07/mi
1:39:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:45:24
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:44/mi
2:06:35
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:15/mi
2:35:18
↑ 181↓ 1480.2%
138 ft elev
20M
9:27/mi
2:48:09
↑ 64↓ 500.2%
148 ft elev
21M
9:59/mi
2:58:08
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:40/mi
3:04:37
↑ 17↓ 861.7%
156 ft elev
23M
9:31/mi
3:16:32
↑ 23↓ 630.6%
116 ft elev
24M
9:15/mi
3:25:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:32/mi
3:33:56
↓ 200.3%
20 ft elev
25.2M
10:09/mi
3:37:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:12/mi
3:46:49
↑ 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 HalfFaster
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:01:25
Pace9:16 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3325:518:1925:51
8:19
-
10K
6.21 mi12:11:3349:518:0124:00
7:43
-0:36
15K
9.32 mi12:36:171:14:358:0024:44
7:58
+0:15
20K
12.43 mi13:01:301:39:488:0225:13
8:07
+0:09
Half
13.11 mi13:07:061:45:248:025:36
8:12
+0:05
25K
15.53 mi13:28:172:06:358:0921:11
8:44
+0:32
30K
18.64 mi13:57:002:35:188:2028:43
9:15
+0:31
20M
20.00 mi14:09:512:48:098:2412:51
9:27
+0:12
21M
21.00 mi14:19:502:58:088:299:59
9:59
+0:32
35K
21.75 mi14:26:193:04:378:296:29
8:40
-1:19
23M
23.00 mi14:38:143:16:328:3311:55
9:31
+0:51
24M
24.00 mi14:47:293:25:478:349:15
9:15
-0:16
40K
24.85 mi14:55:383:33:568:368:09
9:32
+0:17
25.2M
25.20 mi14:59:083:37:268:383:30
10:09
+0:37
Finish
26.22 mi15:08:313:46:498:399:23
9:12
-0:57

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

7:43 /mi

Average Pace

8:39 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:04

59% of race

Time at Steady Pace

1:20:16

35% of race

Time at Slower Pace

13:29

6% of race

Average Pace: 8:39 /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 mi11:47:3325:518:1925:51
8:19
#16305
10K
6.21 mi12:11:3349:518:0124:00
7:43
#14551
15K
9.32 mi12:36:171:14:358:0024:44
7:58
#14377
20K
12.43 mi13:01:301:39:488:0225:13
8:07
#14335
Half
13.11 mi13:07:061:45:248:025:36
8:12
#14425
25K
15.53 mi13:28:172:06:358:0921:11
8:44
#14983
30K
18.64 mi13:57:002:35:188:2028:43
9:15
#15689
20M
20.00 mi14:09:512:48:098:2412:51
9:27
#15948
21M
21.00 mi14:19:502:58:088:299:59
9:59
#16071
35K
21.75 mi14:26:193:04:378:296:29
8:40
#16067
23M
23.00 mi14:38:143:16:328:3311:55
9:31
#16234
24M
24.00 mi14:47:293:25:478:349:15
9:15
#16344
40K
24.85 mi14:55:383:33:568:368:09
9:32
#16442
25.2M
25.20 mi14:59:083:37:268:383:30
10:09
#16464
Finish
26.22 mi15:08:313:46:498:399:23
9:12
#16575
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163055472547214090(Top 53%)4140(Top 36%)4140(Top 85%)
10K6.21 mi3.10 mi14551+17544377+10954377+109512493(Top 47%)3149(Top 28%)3149(Top 64%)
15K9.32 mi3.11 mi14377+1744284+934284+9314090(Top 53%)4140(Top 36%)4140(Top 85%)
20K12.43 mi3.11 mi14335+424275+94275+914352(Top 54%)4323(Top 38%)4323(Top 89%)
Half13.11 mi0.68 mi14425-904330-554330-5515933(Top 60%)5265(Top 46%)5265(Top 108%)
25K15.53 mi2.42 mi14983-5584702-3724702-37217587(Top 66%)6329(Top 55%)6329(Top 130%)
30K18.64 mi3.11 mi15689-7065182-4805182-48018372(Top 69%)6848(Top 60%)6848(Top 140%)
20M20.00 mi1.36 mi15948-2595369-1875369-18718693(Top 70%)7125(Top 62%)7125(Top 146%)
21M21.00 mi1.00 mi16071-1235456-875456-8717977(Top 68%)6742(Top 59%)6742(Top 138%)
35K21.75 mi0.75 mi16067+45478-225478-2216264(Top 61%)5849(Top 51%)5849(Top 120%)
23M23.00 mi1.25 mi16234-1675574-965574-9618399(Top 69%)7071(Top 62%)7071(Top 145%)
24M24.00 mi1.00 mi16344-1105653-795653-7918267(Top 69%)7035(Top 62%)7035(Top 144%)
40K24.85 mi0.85 mi16442-985743-905743-9018447(Top 69%)7179(Top 63%)7179(Top 147%)
25.2M25.20 mi0.35 mi16464-225755-125755-1217968(Top 67%)6939(Top 61%)6939(Top 142%)
Finish26.22 mi1.02 mi16575-1115826-715826-7118965(Top 71%)7417(Top 65%)7417(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14090

Females

4140

F18-39

4140

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12493

Females

3149

F18-39

3149

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14090

Females

4140

F18-39

4140

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14352

Females

4323

F18-39

4323

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15933

Females

5265

F18-39

5265

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17587

Females

6329

F18-39

6329

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18372

Females

6848

F18-39

6848

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18693

Females

7125

F18-39

7125

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

17977

Females

6742

F18-39

6742

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16264

Females

5849

F18-39

5849

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18399

Females

7071

F18-39

7071

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18267

Females

7035

F18-39

7035

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18447

Females

7179

F18-39

7179

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17968

Females

6939

F18-39

6939

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18965

Females

7417

F18-39

7417

Passing Analysis

Category:
Athletes Passed
2644
Passed By
2914
Net Change
-270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16305
5K → 10K177420+1754#16305#14551
10K → 15K278104+174#14551#14377
15K → 20K199157+42#14377#14335
20K → Half797-90#14335#14425
Half → 25K46604-558#14425#14983
25K → 30K33739-706#14983#15689
30K → 20M36295-259#15689#15948
20M → 21M51174-123#15948#16071
21M → 35K6157+4#16071#16067
35K → 23M32199-167#16067#16234
23M → 24M39149-110#16234#16344
24M → 40K48146-98#16344#16442
40K → 25.2M1638-22#16442#16464
25.2M → Finish24135-111#16464#16575
TOTALS26442914-270
📊

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