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BOSTON MARATHON 2023

Caitlin Hurley De Santi

Bib: 11002•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F45-49)
#0 / 1817
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10405
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:17
Rank: #9574 (+831)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:08:49
Rank: #9067 (+507)
10K → 15K
22:32 | 7:15/mi
20K· 12.43 mi
1:31:44
Rank: #8863 (+204)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:36:44
Rank: #8849 (+14)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:48
Rank: #8769 (+80)
Half → 25K
18:04 | 7:27/mi
30K· 18.64 mi
2:18:26
Rank: #8578 (+191)
25K → 30K
23:38 | 7:36/mi
20M
2:28:46
Rank: #8468 (+110)
30K → 20M
10:20 | 7:36/mi
21M
2:36:43
Rank: #8373 (+95)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:42:16
Rank: #8343 (+30)
21M → 35K
5:33 | 7:25/mi
23M
2:51:48
Rank: #8224 (+119)
35K → 23M
9:32 | 7:37/mi
24M
2:59:08
Rank: #8114 (+110)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:05:28
Rank: #7999 (+115)
24M → 40K
6:20 | 7:24/mi
25.2M
3:08:13
Rank: #7967 (+32)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:15:26
Rank: #7859 (+108)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2423:347:3523:34
7:35
-
10K
6.21 mi11:13:0746:177:2722:43
7:19
-0:16
15K
9.32 mi11:35:391:08:497:2322:32
7:15
-0:04
20K
12.43 mi11:58:341:31:447:2322:55
7:23
+0:08
Half
13.11 mi12:03:341:36:447:235:00
7:20
-0:03
25K
15.53 mi12:21:381:54:487:2318:04
7:27
+0:07
30K
18.64 mi12:45:162:18:267:2623:38
7:36
+0:09
20M
20.00 mi12:55:362:28:467:2610:20
7:36
0:00
21M
21.00 mi13:03:332:36:437:287:57
7:57
+0:21
35K
21.75 mi13:09:062:42:167:285:33
7:25
-0:32
23M
23.00 mi13:18:382:51:487:289:32
7:37
+0:12
24M
24.00 mi13:25:582:59:087:287:20
7:20
-0:17
40K
24.85 mi13:32:183:05:287:286:20
7:24
+0:04
25.2M
25.20 mi13:35:033:08:137:282:45
7:58
+0:34
Finish
26.22 mi13:42:163:15:267:287:13
7:05
-0:53

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

7:05 /mi

Average Pace

7:28 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:44

95% of race

Time at Steady Pace

10:42

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:50:2423:347:3523:34
7:35
#10405
10K
6.21 mi11:13:0746:177:2722:43
7:19
#9574
15K
9.32 mi11:35:391:08:497:2322:32
7:15
#9067
20K
12.43 mi11:58:341:31:447:2322:55
7:23
#8863
Half
13.11 mi12:03:341:36:447:235:00
7:20
#8849
25K
15.53 mi12:21:381:54:487:2318:04
7:27
#8769
30K
18.64 mi12:45:162:18:267:2623:38
7:36
#8578
20M
20.00 mi12:55:362:28:467:2610:20
7:36
#8468
21M
21.00 mi13:03:332:36:437:287:57
7:57
#8373
35K
21.75 mi13:09:062:42:167:285:33
7:25
#8343
23M
23.00 mi13:18:382:51:487:289:32
7:37
#8224
24M
24.00 mi13:25:582:59:087:287:20
7:20
#8114
40K
24.85 mi13:32:183:05:287:286:20
7:24
#7999
25.2M
25.20 mi13:35:033:08:137:282:45
7:58
#7967
Finish
26.22 mi13:42:163:15:267:287:13
7:05
#7859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10405203520358195(Top 31%)1140(Top 10%)1140(Top 63%)
10K6.21 mi3.10 mi9574+8311643+3921643+3928936(Top 34%)1383(Top 12%)1383(Top 76%)
15K9.32 mi3.11 mi9067+5071453+1901453+1908195(Top 31%)1140(Top 10%)1140(Top 63%)
20K12.43 mi3.11 mi8863+2041380+731380+738343(Top 31%)1238(Top 11%)1238(Top 68%)
Half13.11 mi0.68 mi8849+141378+21378+28861(Top 33%)1411(Top 12%)1411(Top 78%)
25K15.53 mi2.42 mi8769+801363+151363+158431(Top 32%)1335(Top 12%)1335(Top 73%)
30K18.64 mi3.11 mi8578+1911325+381325+387990(Top 30%)1303(Top 11%)1303(Top 72%)
20M20.00 mi1.36 mi8468+1101310+151310+157542(Top 28%)1230(Top 11%)1230(Top 68%)
21M21.00 mi1.00 mi8373+951292+181292+187062(Top 27%)1157(Top 10%)1157(Top 64%)
35K21.75 mi0.75 mi8343+301288+41288+47962(Top 30%)1469(Top 13%)1469(Top 81%)
23M23.00 mi1.25 mi8224+1191268+201268+207206(Top 27%)1248(Top 11%)1248(Top 69%)
24M24.00 mi1.00 mi8114+1101245+231245+236646(Top 25%)1128(Top 10%)1128(Top 62%)
40K24.85 mi0.85 mi7999+1151223+221223+226177(Top 23%)1050(Top 9%)1050(Top 58%)
25.2M25.20 mi0.35 mi7967+321221+21221+26415(Top 24%)1199(Top 10%)1199(Top 66%)
Finish26.22 mi1.02 mi7859+1081203+181203+185750(Top 22%)986(Top 9%)986(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8195

Females

1140

F45-49

1140

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8936

Females

1383

F45-49

1383

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8195

Females

1140

F45-49

1140

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8343

Females

1238

F45-49

1238

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8861

Females

1411

F45-49

1411

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8431

Females

1335

F45-49

1335

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7990

Females

1303

F45-49

1303

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7542

Females

1230

F45-49

1230

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7062

Females

1157

F45-49

1157

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7962

Females

1469

F45-49

1469

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7206

Females

1248

F45-49

1248

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6646

Females

1128

F45-49

1128

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6177

Females

1050

F45-49

1050

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6415

Females

1199

F45-49

1199

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5750

Females

986

F45-49

986

Passing Analysis

Category:
Athletes Passed
2986*
Passed By
440
Net Change
+2546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10405
5K → 10K895*64+831#10405#9574
10K → 15K52316+507#9574#9067
15K → 20K23935+204#9067#8863
20K → Half3218+14#8863#8849
Half → 25K14767+80#8849#8769
25K → 30K25968+191#8769#8578
30K → 20M14737+110#8578#8468
20M → 21M11823+95#8468#8373
21M → 35K5929+30#8373#8343
35K → 23M15031+119#8343#8224
23M → 24M12515+110#8224#8114
24M → 40K12510+115#8114#7999
40K → 25.2M4311+32#7999#7967
25.2M → Finish12416+108#7967#7859
TOTALS2986*440+2546

* 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