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BOSTON MARATHON 2023

Kimberly Chinn

Bib: 7417•F

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
22:18
Rank: #7376
Start → 5K
22:18 | 7:11/mi
10K· 6.21 mi
45:12
Rank: #8290 (-914)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:08:25
Rank: #8773 (-483)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:32:50
Rank: #9571 (-798)
15K → 20K
24:25 | 7:52/mi
Half· 13.11 mi
1:38:02
Rank: #9646 (-75)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:56:41
Rank: #9749 (-103)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:20:56
Rank: #9664 (+85)
25K → 30K
24:15 | 7:48/mi
20M
2:31:21
Rank: #9508 (+156)
30K → 20M
10:25 | 7:40/mi
21M
2:39:16
Rank: #9299 (+209)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:44:44
Rank: #9197 (+102)
21M → 35K
5:28 | 7:18/mi
23M
2:54:02
Rank: #8973 (+224)
35K → 23M
9:18 | 7:26/mi
24M
3:01:13
Rank: #8797 (+176)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:07:23
Rank: #8620 (+177)
24M → 40K
6:10 | 7:13/mi
25.2M
3:09:58
Rank: #8520 (+100)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:16:52
Rank: #8256 (+264)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1722:187:1122:18
7:11
-
10K
6.21 mi10:50:1145:127:1622:54
7:22
+0:11
15K
9.32 mi11:13:241:08:257:2023:13
7:28
+0:06
20K
12.43 mi11:37:491:32:507:2824:25
7:52
+0:24
Half
13.11 mi11:43:011:38:027:295:12
7:37
-0:15
25K
15.53 mi12:01:401:56:417:3118:39
7:42
+0:05
30K
18.64 mi12:25:552:20:567:3424:15
7:48
+0:06
20M
20.00 mi12:36:202:31:217:3410:25
7:40
-0:08
21M
21.00 mi12:44:152:39:167:357:55
7:55
+0:15
35K
21.75 mi12:49:432:44:447:345:28
7:18
-0:37
23M
23.00 mi12:59:012:54:027:349:18
7:26
+0:08
24M
24.00 mi13:06:123:01:137:337:11
7:11
-0:15
40K
24.85 mi13:12:223:07:237:326:10
7:13
+0:02
25.2M
25.20 mi13:14:573:09:587:322:35
7:29
+0:16
Finish
26.22 mi13:21:513:16:527:316:54
6:46
-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

6:46 /mi

Average Pace

7:31 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:13

41% of race

Time at Steady Pace

1:56:39

59% of race

Time at Slower Pace

0:00

0% 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 mi10:27:1722:187:1122:18
7:11
#7376
10K
6.21 mi10:50:1145:127:1622:54
7:22
#8290
15K
9.32 mi11:13:241:08:257:2023:13
7:28
#8773
20K
12.43 mi11:37:491:32:507:2824:25
7:52
#9571
Half
13.11 mi11:43:011:38:027:295:12
7:37
#9646
25K
15.53 mi12:01:401:56:417:3118:39
7:42
#9749
30K
18.64 mi12:25:552:20:567:3424:15
7:48
#9664
20M
20.00 mi12:36:202:31:217:3410:25
7:40
#9508
21M
21.00 mi12:44:152:39:167:357:55
7:55
#9299
35K
21.75 mi12:49:432:44:447:345:28
7:18
#9197
23M
23.00 mi12:59:012:54:027:349:18
7:26
#8973
24M
24.00 mi13:06:123:01:137:337:11
7:11
#8797
40K
24.85 mi13:12:223:07:237:326:10
7:13
#8620
25.2M
25.20 mi13:14:573:09:587:322:35
7:29
#8520
Finish
26.22 mi13:21:513:16:527:316:54
6:46
#8256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73768088089955(Top 37%)1815(Top 16%)1815(Top 37%)
10K6.21 mi3.10 mi8290-9141138-3301138-3309402(Top 35%)1585(Top 14%)1585(Top 32%)
15K9.32 mi3.11 mi8773-4831341-2031341-2039955(Top 37%)1815(Top 16%)1815(Top 37%)
20K12.43 mi3.11 mi9571-7981657-3161657-31612244(Top 46%)3102(Top 27%)3102(Top 64%)
Half13.11 mi0.68 mi9646-751682-251682-2511222(Top 42%)2453(Top 21%)2453(Top 50%)
25K15.53 mi2.42 mi9749-1031738-561738-5610234(Top 38%)2097(Top 18%)2097(Top 43%)
30K18.64 mi3.11 mi9664+851747-91747-99406(Top 35%)1888(Top 17%)1888(Top 39%)
20M20.00 mi1.36 mi9508+1561708+391708+397961(Top 30%)1384(Top 12%)1384(Top 28%)
21M21.00 mi1.00 mi9299+2091653+551653+556864(Top 26%)1083(Top 9%)1083(Top 22%)
35K21.75 mi0.75 mi9197+1021627+261627+267227(Top 27%)1189(Top 10%)1189(Top 24%)
23M23.00 mi1.25 mi8973+2241558+691558+696056(Top 23%)839(Top 7%)839(Top 17%)
24M24.00 mi1.00 mi8797+1761515+431515+435698(Top 21%)794(Top 7%)794(Top 16%)
40K24.85 mi0.85 mi8620+1771456+591456+595003(Top 19%)661(Top 6%)661(Top 14%)
25.2M25.20 mi0.35 mi8520+1001423+331423+333959(Top 15%)448(Top 4%)448(Top 9%)
Finish26.22 mi1.02 mi8256+2641355+681355+683949(Top 15%)456(Top 4%)456(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9955

Females

1815

F18-39

1815

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9402

Females

1585

F18-39

1585

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9955

Females

1815

F18-39

1815

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12244

Females

3102

F18-39

3102

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11222

Females

2453

F18-39

2453

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10234

Females

2097

F18-39

2097

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9406

Females

1888

F18-39

1888

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7961

Females

1384

F18-39

1384

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6864

Females

1083

F18-39

1083

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7227

Females

1189

F18-39

1189

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6056

Females

839

F18-39

839

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5698

Females

794

F18-39

794

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5003

Females

661

F18-39

661

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3959

Females

448

F18-39

448

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3949

Females

456

F18-39

456

Passing Analysis

Category:
Athletes Passed
1840*
Passed By
2720
Net Change
-880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7376
5K → 10K27941-914#7376#8290
10K → 15K35518-483#8290#8773
15K → 20K20818-798#8773#9571
20K → Half1085-75#9571#9646
Half → 25K97200-103#9646#9749
25K → 30K206*121+85#9749#9664
30K → 20M16812+156#9664#9508
20M → 21M2134+209#9508#9299
21M → 35K1086+102#9299#9197
35K → 23M2317+224#9197#8973
23M → 24M1793+176#8973#8797
24M → 40K1814+177#8797#8620
40K → 25.2M1000+100#8620#8520
25.2M → Finish2651+264#8520#8256
TOTALS1840*2720-880

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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