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BOSTON MARATHON 2023

Carolyn Gilchriese

Bib: 9743•F

OR

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0:00
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:46
Rank: #6295
Start → 5K
21:46 | 7:00/mi
10K· 6.21 mi
43:09
Rank: #6158 (+137)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:24
Rank: #5923 (+235)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:26:16
Rank: #5996 (-73)
15K → 20K
21:52 | 7:02/mi
Half· 13.11 mi
1:31:00
Rank: #6010 (-14)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:48:41
Rank: #6198 (-188)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:12:27
Rank: #6437 (-239)
25K → 30K
23:46 | 7:39/mi
20M
2:23:00
Rank: #6515 (-78)
30K → 20M
10:33 | 7:46/mi
21M
2:31:25
Rank: #6648 (-133)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:36:58
Rank: #6659 (-11)
21M → 35K
5:33 | 7:25/mi
23M
2:46:47
Rank: #6703 (-44)
35K → 23M
9:49 | 7:50/mi
24M
2:54:27
Rank: #6744 (-41)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:01:07
Rank: #6761 (-17)
24M → 40K
6:40 | 7:48/mi
25.2M
3:04:01
Rank: #6777 (-16)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:11:41
Rank: #6823 (-46)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:00
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:40:41
Pace7:41 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4821:467:0021:46
7:00
-
10K
6.21 mi11:09:1143:096:5721:23
6:53
-0:07
15K
9.32 mi11:30:261:04:246:5521:15
6:50
-0:03
20K
12.43 mi11:52:181:26:166:5621:52
7:02
+0:12
Half
13.11 mi11:57:021:31:006:564:44
6:56
-0:06
25K
15.53 mi12:14:431:48:417:0017:41
7:18
+0:22
30K
18.64 mi12:38:292:12:277:0623:46
7:39
+0:21
20M
20.00 mi12:49:022:23:007:0910:33
7:46
+0:07
21M
21.00 mi12:57:272:31:257:138:25
8:25
+0:39
35K
21.75 mi13:03:002:36:587:135:33
7:25
-1:00
23M
23.00 mi13:12:492:46:477:159:49
7:50
+0:25
24M
24.00 mi13:20:292:54:277:167:40
7:40
-0:10
40K
24.85 mi13:27:093:01:077:176:40
7:48
+0:08
25.2M
25.20 mi13:30:033:04:017:182:54
8:25
+0:37
Finish
26.22 mi13:37:433:11:417:197:40
7:31
-0:54

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

6:50 /mi

Average Pace

7:19 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:00

47% of race

Time at Steady Pace

1:02:20

33% of race

Time at Slower Pace

38:21

20% of race

Average Pace: 7:19 /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 mi10:47:4821:467:0021:46
7:00
#6295
10K
6.21 mi11:09:1143:096:5721:23
6:53
#6158
15K
9.32 mi11:30:261:04:246:5521:15
6:50
#5923
20K
12.43 mi11:52:181:26:166:5621:52
7:02
#5996
Half
13.11 mi11:57:021:31:006:564:44
6:56
#6010
25K
15.53 mi12:14:431:48:417:0017:41
7:18
#6198
30K
18.64 mi12:38:292:12:277:0623:46
7:39
#6437
20M
20.00 mi12:49:022:23:007:0910:33
7:46
#6515
21M
21.00 mi12:57:272:31:257:138:25
8:25
#6648
35K
21.75 mi13:03:002:36:587:135:33
7:25
#6659
23M
23.00 mi13:12:492:46:477:159:49
7:50
#6703
24M
24.00 mi13:20:292:54:277:167:40
7:40
#6744
40K
24.85 mi13:27:093:01:077:176:40
7:48
#6761
25.2M
25.20 mi13:30:033:04:017:182:54
8:25
#6777
Finish
26.22 mi13:37:433:11:417:197:40
7:31
#6823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62955535535492(Top 21%)429(Top 4%)429(Top 9%)
10K6.21 mi3.10 mi6158+137545+8545+86019(Top 23%)536(Top 5%)536(Top 11%)
15K9.32 mi3.11 mi5923+235499+46499+465492(Top 21%)429(Top 4%)429(Top 9%)
20K12.43 mi3.11 mi5996-73517-18517-186230(Top 23%)582(Top 5%)582(Top 12%)
Half13.11 mi0.68 mi6010-14520-3520-36280(Top 24%)580(Top 5%)580(Top 12%)
25K15.53 mi2.42 mi6198-188565-45565-457264(Top 27%)927(Top 8%)927(Top 19%)
30K18.64 mi3.11 mi6437-239633-68633-688300(Top 31%)1424(Top 12%)1424(Top 29%)
20M20.00 mi1.36 mi6515-78670-37670-378593(Top 32%)1626(Top 14%)1626(Top 33%)
21M21.00 mi1.00 mi6648-133722-52722-529967(Top 37%)2359(Top 21%)2359(Top 48%)
35K21.75 mi0.75 mi6659-11730-8730-87953(Top 30%)1460(Top 13%)1460(Top 30%)
23M23.00 mi1.25 mi6703-44749-19749-198686(Top 33%)1869(Top 16%)1869(Top 38%)
24M24.00 mi1.00 mi6744-41778-29778-298865(Top 33%)2027(Top 18%)2027(Top 42%)
40K24.85 mi0.85 mi6761-17806-28806-288676(Top 33%)2012(Top 18%)2012(Top 41%)
25.2M25.20 mi0.35 mi6777-16820-14820-148997(Top 34%)2223(Top 19%)2223(Top 46%)
Finish26.22 mi1.02 mi6823-46848-28848-288738(Top 33%)2118(Top 19%)2118(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5492

Females

429

F18-39

429

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6019

Females

536

F18-39

536

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5492

Females

429

F18-39

429

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6230

Females

582

F18-39

582

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6280

Females

580

F18-39

580

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7264

Females

927

F18-39

927

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8300

Females

1424

F18-39

1424

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8593

Females

1626

F18-39

1626

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9967

Females

2359

F18-39

2359

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7953

Females

1460

F18-39

1460

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8686

Females

1869

F18-39

1869

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8865

Females

2027

F18-39

2027

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8676

Females

2012

F18-39

2012

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8997

Females

2223

F18-39

2223

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8738

Females

2118

F18-39

2118

Passing Analysis

Category:
Athletes Passed
1013
Passed By
1541
Net Change
-528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6295
5K → 10K263126+137#6295#6158
10K → 15K27338+235#6158#5923
15K → 20K72145-73#5923#5996
20K → Half1529-14#5996#6010
Half → 25K36224-188#6010#6198
25K → 30K59298-239#6198#6437
30K → 20M39117-78#6437#6515
20M → 21M25158-133#6515#6648
21M → 35K3243-11#6648#6659
35K → 23M57101-44#6659#6703
23M → 24M3576-41#6703#6744
24M → 40K5168-17#6744#6761
40K → 25.2M2137-16#6761#6777
25.2M → Finish3581-46#6777#6823
TOTALS10131541-528
📊

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