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BOSTON MARATHON 2023

Kelly Gardiner

Bib: 21122•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:35
Rank: #21212
Start → 5K
28:35 | 9:12/mi
10K· 6.21 mi
56:54
Rank: #21271 (-59)
5K → 10K
28:19 | 9:07/mi
15K· 9.32 mi
1:26:49
Rank: #21731 (-460)
10K → 15K
29:55 | 9:38/mi
20K· 12.43 mi
1:57:37
Rank: #21993 (-262)
15K → 20K
30:48 | 9:55/mi
Half· 13.11 mi
2:03:38
Rank: #21884 (+109)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:26:37
Rank: #21689 (+195)
Half → 25K
22:59 | 9:29/mi
30K· 18.64 mi
2:57:46
Rank: #21580 (+109)
25K → 30K
31:09 | 10:02/mi
20M
3:10:21
Rank: #21340 (+240)
30K → 20M
12:35 | 9:16/mi
21M
3:20:15
Rank: #21148 (+192)
20M → 21M
9:54 | 9:54/mi
35K· 21.75 mi
3:27:01
Rank: #21037 (+111)
21M → 35K
6:46 | 9:03/mi
23M
3:39:58
Rank: #21014 (+23)
35K → 23M
12:57 | 10:21/mi
24M
3:48:50
Rank: #20827 (+187)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:56:30
Rank: #20684 (+143)
24M → 40K
7:40 | 8:58/mi
25.2M
3:59:48
Rank: #20620 (+64)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
4:08:25
Rank: #20448 (+172)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:03:38
Pace9:26 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:04:47
Pace9:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0228:359:1228:35
9:12
-
10K
6.21 mi11:53:2156:549:0928:19
9:07
-0:05
15K
9.32 mi12:23:161:26:499:1929:55
9:38
+0:31
20K
12.43 mi12:54:041:57:379:2830:48
9:55
+0:17
Half
13.11 mi13:00:052:03:389:266:01
8:49
-1:06
25K
15.53 mi13:23:042:26:379:2622:59
9:29
+0:40
30K
18.64 mi13:54:132:57:469:3231:09
10:02
+0:33
20M
20.00 mi14:06:483:10:219:3112:35
9:16
-0:46
21M
21.00 mi14:16:423:20:159:329:54
9:54
+0:38
35K
21.75 mi14:23:283:27:019:316:46
9:03
-0:51
23M
23.00 mi14:36:253:39:589:3412:57
10:21
+1:18
24M
24.00 mi14:45:173:48:509:328:52
8:52
-1:29
40K
24.85 mi14:52:573:56:309:317:40
8:58
+0:06
25.2M
25.20 mi14:56:153:59:489:313:18
9:34
+0:36
Finish
26.22 mi15:04:524:08:259:298:37
8:27
-1:07

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

8:27 /mi

Average Pace

9:29 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:10

13% of race

Time at Steady Pace

1:39:14

40% of race

Time at Slower Pace

1:58:01

48% of race

Average Pace: 9:28 /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 mi11:25:0228:359:1228:35
9:12
#21212
10K
6.21 mi11:53:2156:549:0928:19
9:07
#21271
15K
9.32 mi12:23:161:26:499:1929:55
9:38
#21731
20K
12.43 mi12:54:041:57:379:2830:48
9:55
#21993
Half
13.11 mi13:00:052:03:389:266:01
8:49
#21884
25K
15.53 mi13:23:042:26:379:2622:59
9:29
#21689
30K
18.64 mi13:54:132:57:469:3231:09
10:02
#21580
20M
20.00 mi14:06:483:10:219:3112:35
9:16
#21340
21M
21.00 mi14:16:423:20:159:329:54
9:54
#21148
35K
21.75 mi14:23:283:27:019:316:46
9:03
#21037
23M
23.00 mi14:36:253:39:589:3412:57
10:21
#21014
24M
24.00 mi14:45:173:48:509:328:52
8:52
#20827
40K
24.85 mi14:52:573:56:309:317:40
8:58
#20684
25.2M
25.20 mi14:56:153:59:489:313:18
9:34
#20620
Finish
26.22 mi15:04:524:08:259:298:37
8:27
#20448
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi212128481848122600(Top 85%)9128(Top 80%)9128(Top 502%)
10K6.21 mi3.10 mi21271-598462+198462+1921335(Top 80%)8460(Top 74%)8460(Top 466%)
15K9.32 mi3.11 mi21731-4608691-2298691-22922600(Top 85%)9128(Top 80%)9128(Top 502%)
20K12.43 mi3.11 mi21993-2628833-1428833-14222689(Top 85%)9183(Top 80%)9183(Top 505%)
Half13.11 mi0.68 mi21884+1098764+698764+6919645(Top 74%)7473(Top 65%)7473(Top 411%)
25K15.53 mi2.42 mi21689+1958647+1178647+11720776(Top 78%)8152(Top 71%)8152(Top 449%)
30K18.64 mi3.11 mi21580+1098604+438604+4321103(Top 79%)8402(Top 74%)8402(Top 462%)
20M20.00 mi1.36 mi21340+2408488+1168488+11617863(Top 67%)6674(Top 58%)6674(Top 367%)
21M21.00 mi1.00 mi21148+1928398+908398+9017682(Top 66%)6581(Top 58%)6581(Top 362%)
35K21.75 mi0.75 mi21037+1118348+508348+5018120(Top 68%)6914(Top 61%)6914(Top 381%)
23M23.00 mi1.25 mi21014+238338+108338+1020933(Top 79%)8488(Top 74%)8488(Top 467%)
24M24.00 mi1.00 mi20827+1878248+908248+9016640(Top 63%)6170(Top 54%)6170(Top 340%)
40K24.85 mi0.85 mi20684+1438179+698179+6916023(Top 60%)5881(Top 51%)5881(Top 324%)
25.2M25.20 mi0.35 mi20620+648145+348145+3415625(Top 59%)5686(Top 50%)5686(Top 313%)
Finish26.22 mi1.02 mi20448+1728056+898056+8915183(Top 57%)5372(Top 47%)5372(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22600

Females

9128

F45-49

9128

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21335

Females

8460

F45-49

8460

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22600

Females

9128

F45-49

9128

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22689

Females

9183

F45-49

9183

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19645

Females

7473

F45-49

7473

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20776

Females

8152

F45-49

8152

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21103

Females

8402

F45-49

8402

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17863

Females

6674

F45-49

6674

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17682

Females

6581

F45-49

6581

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18120

Females

6914

F45-49

6914

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20933

Females

8488

F45-49

8488

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16640

Females

6170

F45-49

6170

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16023

Females

5881

F45-49

5881

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15625

Females

5686

F45-49

5686

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15183

Females

5372

F45-49

5372

Passing Analysis

Category:
Athletes Passed
2045
Passed By
1281
Net Change
+764
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21212
5K → 10K242301-59#21212#21271
10K → 15K36496-460#21271#21731
15K → 20K57319-262#21731#21993
20K → Half1090+109#21993#21884
Half → 25K21419+195#21884#21689
25K → 30K18475+109#21689#21580
30K → 20M2422+240#21580#21340
20M → 21M1953+192#21340#21148
21M → 35K1154+111#21148#21037
35K → 23M8057+23#21037#21014
23M → 24M1870+187#21014#20827
24M → 40K1463+143#20827#20684
40K → 25.2M640+64#20684#20620
25.2M → Finish1742+172#20620#20448
TOTALS20451281+764
📊

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