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BOSTON MARATHON 2023

Caroline Gjestemoen

Bib: 20717•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:19
Rank: #12636
Start → 5K
7:50/mi
24:19 split
10K· 6.21 mi
48:36
Rank: #12905 (-269)
5K → 10K
7:49/mi
24:17 split
15K· 9.32 mi
1:13:15
Rank: #13217 (-312)
10K → 15K
7:56/mi
24:39 split
20K· 12.43 mi
1:38:26
Rank: #13479 (-262)
15K → 20K
8:06/mi
25:11 split
Half· 13.11 mi
1:43:53
Rank: #13519 (-40)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:03:24
Rank: #13414 (+105)
Half → 25K
8:03/mi
19:31 split
30K· 18.64 mi
2:29:00
Rank: #13243 (+171)
25K → 30K
8:14/mi
25:36 split
20M
2:40:24
Rank: #13207 (+36)
30K → 20M
8:23/mi
11:24 split
21M
2:49:16
Rank: #13131 (+76)
20M → 21M
8:52/mi
8:52 split
35K· 21.75 mi
2:55:21
Rank: #13121 (+10)
21M → 35K
8:08/mi
6:05 split
23M
3:05:54
Rank: #13069 (+52)
35K → 23M
8:26/mi
10:33 split
24M
3:13:57
Rank: #12985 (+84)
23M → 24M
8:03/mi
8:03 split
40K· 24.85 mi
3:21:06
Rank: #12960 (+25)
24M → 40K
8:22/mi
7:09 split
25.2M
3:24:15
Rank: #12957 (+3)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:32:35
Rank: #12953 (+4)
25.2M → Finish
8:11/mi
8:20 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:48:42
Pace8:18 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3024:197:5024:19
7:50
-
10K
6.21 mi11:40:4748:367:4924:17
7:49
-0:01
15K
9.32 mi12:05:261:13:157:5224:39
7:56
+0:07
20K
12.43 mi12:30:371:38:267:5525:11
8:06
+0:10
Half
13.11 mi12:36:041:43:537:555:27
7:59
-0:07
25K
15.53 mi12:55:352:03:247:5719:31
8:03
+0:04
30K
18.64 mi13:21:112:29:008:0025:36
8:14
+0:11
20M
20.00 mi13:32:352:40:248:0111:24
8:23
+0:09
21M
21.00 mi13:41:272:49:168:048:52
8:52
+0:29
35K
21.75 mi13:47:322:55:218:046:05
8:08
-0:44
23M
23.00 mi13:58:053:05:548:0510:33
8:26
+0:18
24M
24.00 mi14:06:083:13:578:058:03
8:03
-0:23
40K
24.85 mi14:13:173:21:068:057:09
8:22
+0:19
25.2M
25.20 mi14:16:263:24:158:063:09
9:08
+0:46
Finish
26.22 mi14:24:463:32:358:078:20
8:11
-0:57

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

7:49 /mi

Average Pace

8:07 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:34

94% of race

Time at Steady Pace

12:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:16:3024:197:5024:19
7:50
#12636
10K
6.21 mi11:40:4748:367:4924:17
7:49
#12905
15K
9.32 mi12:05:261:13:157:5224:39
7:56
#13217
20K
12.43 mi12:30:371:38:267:5525:11
8:06
#13479
Half
13.11 mi12:36:041:43:537:555:27
7:59
#13519
25K
15.53 mi12:55:352:03:247:5719:31
8:03
#13414
30K
18.64 mi13:21:112:29:008:0025:36
8:14
#13243
20M
20.00 mi13:32:352:40:248:0111:24
8:23
#13207
21M
21.00 mi13:41:272:49:168:048:52
8:52
#13131
35K
21.75 mi13:47:322:55:218:046:05
8:08
#13121
23M
23.00 mi13:58:053:05:548:0510:33
8:26
#13069
24M
24.00 mi14:06:083:13:578:058:03
8:03
#12985
40K
24.85 mi14:13:173:21:068:057:09
8:22
#12960
25.2M
25.20 mi14:16:263:24:158:063:09
9:08
#12957
Finish
26.22 mi14:24:463:32:358:078:20
8:11
#12953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi126363242324213870(Top 52%)4010(Top 35%)4010(Top 214%)
10K6.21 mi3.10 mi12905-2693386-1443386-14413281(Top 50%)3599(Top 32%)3599(Top 192%)
15K9.32 mi3.11 mi13217-3123587-2013587-20113870(Top 52%)4010(Top 35%)4010(Top 214%)
20K12.43 mi3.11 mi13479-2623773-1863773-18614256(Top 54%)4257(Top 37%)4257(Top 227%)
Half13.11 mi0.68 mi13519-403795-223795-2214299(Top 54%)4243(Top 37%)4243(Top 226%)
25K15.53 mi2.42 mi13414+1053752+433752+4313156(Top 49%)3717(Top 33%)3717(Top 198%)
30K18.64 mi3.11 mi13243+1713694+583694+5812621(Top 47%)3537(Top 31%)3537(Top 188%)
20M20.00 mi1.36 mi13207+363686+83686+812968(Top 49%)3837(Top 34%)3837(Top 204%)
21M21.00 mi1.00 mi13131+763655+313655+3112669(Top 48%)3765(Top 33%)3765(Top 200%)
35K21.75 mi0.75 mi13121+103665-103665-1013025(Top 49%)4011(Top 35%)4011(Top 214%)
23M23.00 mi1.25 mi13069+523664+13664+112770(Top 48%)3949(Top 35%)3949(Top 210%)
24M24.00 mi1.00 mi12985+843639+253639+2511615(Top 44%)3393(Top 30%)3393(Top 181%)
40K24.85 mi0.85 mi12960+253652-133652-1312492(Top 47%)3933(Top 34%)3933(Top 209%)
25.2M25.20 mi0.35 mi12957+33660-83660-813305(Top 50%)4376(Top 38%)4376(Top 233%)
Finish26.22 mi1.02 mi12953+43673-133673-1313302(Top 50%)4361(Top 38%)4361(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13870

Females

4010

F40-44

4010

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13281

Females

3599

F40-44

3599

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13870

Females

4010

F40-44

4010

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14256

Females

4257

F40-44

4257

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14299

Females

4243

F40-44

4243

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13156

Females

3717

F40-44

3717

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12621

Females

3537

F40-44

3537

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12968

Females

3837

F40-44

3837

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12669

Females

3765

F40-44

3765

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13025

Females

4011

F40-44

4011

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12770

Females

3949

F40-44

3949

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11615

Females

3393

F40-44

3393

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12492

Females

3933

F40-44

3933

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13305

Females

4376

F40-44

4376

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13302

Females

4361

F40-44

4361

Passing Analysis

Category:
Athletes Passed
1563
Passed By
1880
Net Change
-317
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12636
5K → 10K190459-269#12636#12905
10K → 15K108420-312#12905#13217
15K → 20K115377-262#13217#13479
20K → Half1959-40#13479#13519
Half → 25K18075+105#13519#13414
25K → 30K275104+171#13414#13243
30K → 20M10468+36#13243#13207
20M → 21M12448+76#13207#13131
21M → 35K5949+10#13131#13121
35K → 23M11967+52#13121#13069
23M → 24M10420+84#13069#12985
24M → 40K8156+25#12985#12960
40K → 25.2M3128+3#12960#12957
25.2M → Finish5450+4#12957#12953
TOTALS15631880-317
📊

Passing Visuals

Category:
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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