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BOSTON MARATHON 2023

Kristina Cronin

Bib: 29958•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
33:04
Rank: #25064
Start → 5K
33:04 | 10:39/mi
10K· 6.21 mi
1:08:08
Rank: #25541 (-477)
5K → 10K
35:04 | 11:17/mi
15K· 9.32 mi
1:46:33
Rank: #25926 (-385)
10K → 15K
38:25 | 12:22/mi
20K· 12.43 mi
2:25:52
Rank: #25987 (-61)
15K → 20K
39:19 | 12:39/mi
Half· 13.11 mi
2:34:44
Rank: #26024 (-37)
20K → Half
8:52 | 13:00/mi
25K· 15.53 mi
3:07:23
Rank: #26054 (-30)
Half → 25K
32:39 | 13:28/mi
30K· 18.64 mi
3:51:38
Rank: #26090 (-36)
25K → 30K
44:15 | 14:15/mi
20M
4:11:56
Rank: #26125 (-35)
30K → 20M
20:18 | 14:56/mi
21M
4:27:33
Rank: #26126 (-1)
20M → 21M
15:37 | 15:37/mi
35K· 21.75 mi
4:39:10
Rank: #26161 (-35)
21M → 35K
11:37 | 15:32/mi
23M
4:57:41
Rank: #26179 (-18)
35K → 23M
18:31 | 14:47/mi
24M
5:10:45
Rank: #26169 (+10)
23M → 24M
13:04 | 13:04/mi
40K· 24.85 mi
5:23:02
Rank: #26165 (+4)
24M → 40K
12:17 | 14:22/mi
25.2M
5:28:00
Rank: #26158 (+7)
40K → 25.2M
4:58 | 14:24/mi
Finish· 26.22 mi
5:41:02
Rank: #26158
25.2M → Finish
13:02 | 12:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:44
Pace11:48 /mi
2nd Half
Distance13.11 mi
Time3:06:18
Pace14:13 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1533:0410:3933:04
10:39
-
10K
6.21 mi12:26:191:08:0810:5835:04
11:17
+0:38
15K
9.32 mi13:04:441:46:3311:2638:25
12:22
+1:05
20K
12.43 mi13:44:032:25:5211:4439:19
12:39
+0:17
Half
13.11 mi13:52:552:34:4411:488:52
13:00
+0:21
25K
15.53 mi14:25:343:07:2312:0432:39
13:28
+0:28
30K
18.64 mi15:09:493:51:3812:2644:15
14:15
+0:47
20M
20.00 mi15:30:074:11:5612:3620:18
14:56
+0:41
21M
21.00 mi15:45:444:27:3312:4415:37
15:37
+0:41
35K
21.75 mi15:57:214:39:1012:5011:37
15:32
-0:05
23M
23.00 mi16:15:524:57:4112:5718:31
14:47
-0:45
24M
24.00 mi16:28:565:10:4512:5713:04
13:04
-1:43
40K
24.85 mi16:41:135:23:0213:0012:17
14:22
+1:18
25.2M
25.20 mi16:46:115:28:0013:014:58
14:24
+0:02
Finish
26.22 mi16:59:135:41:0213:0113:02
12:47
-1:37

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

10:39 /mi

Average Pace

13:01 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:52

43% of race

Time at Steady Pace

1:07:37

20% of race

Time at Slower Pace

2:07:33

37% of race

Average Pace: 13:00 /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 mi11:51:1533:0410:3933:04
10:39
#25064
10K
6.21 mi12:26:191:08:0810:5835:04
11:17
#25541
15K
9.32 mi13:04:441:46:3311:2638:25
12:22
#25926
20K
12.43 mi13:44:032:25:5211:4439:19
12:39
#25987
Half
13.11 mi13:52:552:34:4411:488:52
13:00
#26024
25K
15.53 mi14:25:343:07:2312:0432:39
13:28
#26054
30K
18.64 mi15:09:493:51:3812:2644:15
14:15
#26090
20M
20.00 mi15:30:074:11:5612:3620:18
14:56
#26125
21M
21.00 mi15:45:444:27:3312:4415:37
15:37
#26126
35K
21.75 mi15:57:214:39:1012:5011:37
15:32
#26161
23M
23.00 mi16:15:524:57:4112:5718:31
14:47
#26179
24M
24.00 mi16:28:565:10:4512:5713:04
13:04
#26169
40K
24.85 mi16:41:135:23:0213:0012:17
14:22
#26165
25.2M
25.20 mi16:46:115:28:0013:014:58
14:24
#26158
Finish
26.22 mi16:59:135:41:0213:0113:02
12:47
#26158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25064104701047026258(Top 99%)11206(Top 98%)11206(Top 229%)
10K6.21 mi3.10 mi25541-47710763-29310763-29325778(Top 97%)10900(Top 95%)10900(Top 223%)
15K9.32 mi3.11 mi25926-38510998-23510998-23526258(Top 99%)11206(Top 98%)11206(Top 229%)
20K12.43 mi3.11 mi25987-6111033-3511033-3526065(Top 98%)11093(Top 97%)11093(Top 227%)
Half13.11 mi0.68 mi26024-3711052-1911052-1926354(Top 99%)11276(Top 99%)11276(Top 231%)
25K15.53 mi2.42 mi26054-3011079-2711079-2726104(Top 98%)11134(Top 97%)11134(Top 228%)
30K18.64 mi3.11 mi26090-3611111-3211111-3226150(Top 98%)11167(Top 98%)11167(Top 229%)
20M20.00 mi1.36 mi26125-3511135-2411135-2426276(Top 99%)11272(Top 99%)11272(Top 231%)
21M21.00 mi1.00 mi26126-1111351113526077(Top 98%)11157(Top 98%)11157(Top 228%)
35K21.75 mi0.75 mi26161-3511163-2811163-2826485(Top 99%)11367(Top 100%)11367(Top 233%)
23M23.00 mi1.25 mi26179-1811174-1111174-1126222(Top 98%)11250(Top 98%)11250(Top 230%)
24M24.00 mi1.00 mi26169+1011169+511169+525528(Top 96%)10945(Top 96%)10945(Top 224%)
40K24.85 mi0.85 mi26165+411165+411165+425893(Top 97%)11128(Top 97%)11128(Top 228%)
25.2M25.20 mi0.35 mi26158+711162+311162+325340(Top 95%)10852(Top 95%)10852(Top 222%)
Finish26.22 mi1.02 mi2615811166-411166-425852(Top 97%)11100(Top 97%)11100(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26258

Females

11206

F18-39

11206

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25778

Females

10900

F18-39

10900

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26258

Females

11206

F18-39

11206

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

26065

Females

11093

F18-39

11093

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26354

Females

11276

F18-39

11276

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26104

Females

11134

F18-39

11134

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26150

Females

11167

F18-39

11167

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26276

Females

11272

F18-39

11272

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

26077

Females

11157

F18-39

11157

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26485

Females

11367

F18-39

11367

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26222

Females

11250

F18-39

11250

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25528

Females

10945

F18-39

10945

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25893

Females

11128

F18-39

11128

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25340

Females

10852

F18-39

10852

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25852

Females

11100

F18-39

11100

Passing Analysis

Category:
Athletes Passed
231
Passed By
1325
Net Change
-1094
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25064
5K → 10K33510-477#25064#25541
10K → 15K13398-385#25541#25926
15K → 20K3192-61#25926#25987
20K → Half744-37#25987#26024
Half → 25K2858-30#26024#26054
25K → 30K2763-36#26054#26090
30K → 20M1045-35#26090#26125
20M → 21M1819-1#26125#26126
21M → 35K540-35#26126#26161
35K → 23M826-18#26161#26179
23M → 24M166+10#26179#26169
24M → 40K1511+4#26169#26165
40K → 25.2M103+7#26165#26158
25.2M → Finish10100#26158#26158
TOTALS2311325-1094
📊

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