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BOSTON MARATHON 2023

Claire Gunsbury

Bib: 14639•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:11/mi
25:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
51:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:17:13
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:42:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:48:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:10:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:36:15
↑ 181↓ 1480.2%
20M
8:17/mi
2:47:30
↑ 64↓ 500.2%
21M
8:39/mi
2:56:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:02:25
↑ 17↓ 861.7%
23M
8:34/mi
3:13:08
↑ 23↓ 630.6%
24M
8:26/mi
3:21:34
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:28:57
↓ 200.3%
25.2M
8:54/mi
3:32:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:40:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:29
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:51:51
Pace8:32 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1925:278:1125:27
8:11
-
10K
6.21 mi11:20:4451:528:2126:25
8:30
+0:19
15K
9.32 mi11:46:051:17:138:1725:21
8:10
-0:20
20K
12.43 mi12:11:481:42:568:1725:43
8:17
+0:07
Half
13.11 mi12:17:211:48:298:175:33
8:08
-0:09
25K
15.53 mi12:39:172:10:258:2421:56
9:03
+0:55
30K
18.64 mi13:05:072:36:158:2325:50
8:19
-0:44
20M
20.00 mi13:16:222:47:308:2211:15
8:17
-0:02
21M
21.00 mi13:25:012:56:098:238:39
8:39
+0:22
35K
21.75 mi13:31:173:02:258:236:16
8:23
-0:16
23M
23.00 mi13:42:003:13:088:2410:43
8:34
+0:11
24M
24.00 mi13:50:263:21:348:248:26
8:26
-0:08
40K
24.85 mi13:57:493:28:578:247:23
8:38
+0:12
25.2M
25.20 mi14:00:533:32:018:253:04
8:54
+0:16
Finish
26.22 mi14:09:123:40:208:258:19
8:10
-0:44

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

8:08 /mi

Average Pace

8:25 /mi

Slowest Pace

9:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:24

90% of race

Time at Steady Pace

21:56

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi10:54:1925:278:1125:27
8:11
#15437
10K
6.21 mi11:20:4451:528:2126:25
8:30
#16846
15K
9.32 mi11:46:051:17:138:1725:21
8:10
#16407
20K
12.43 mi12:11:481:42:568:1725:43
8:17
#16140
Half
13.11 mi12:17:211:48:298:175:33
8:08
#16102
25K
15.53 mi12:39:172:10:258:2421:56
9:03
#16710
30K
18.64 mi13:05:072:36:158:2325:50
8:19
#16038
20M
20.00 mi13:16:222:47:308:2211:15
8:17
#15711
21M
21.00 mi13:25:012:56:098:238:39
8:39
#15444
35K
21.75 mi13:31:173:02:258:236:16
8:23
#15414
23M
23.00 mi13:42:003:13:088:2410:43
8:34
#15274
24M
24.00 mi13:50:263:21:348:248:26
8:26
#15200
40K
24.85 mi13:57:493:28:578:247:23
8:38
#15160
25.2M
25.20 mi14:00:533:32:018:253:04
8:54
#15090
Finish
26.22 mi14:09:123:40:208:258:19
8:10
#15021
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154374931493115599(Top 59%)5047(Top 44%)5047(Top 103%)
10K6.21 mi3.10 mi16846-14095807-8765807-87618289(Top 69%)6656(Top 58%)6656(Top 136%)
15K9.32 mi3.11 mi16407+4395534+2735534+27315599(Top 59%)5047(Top 44%)5047(Top 103%)
20K12.43 mi3.11 mi16140+2675391+1435391+14315488(Top 58%)5026(Top 44%)5026(Top 103%)
Half13.11 mi0.68 mi16102+385377+145377+1415430(Top 58%)4963(Top 43%)4963(Top 102%)
25K15.53 mi2.42 mi16710-6085775-3985775-39819203(Top 72%)7249(Top 63%)7249(Top 148%)
30K18.64 mi3.11 mi16038+6725398+3775398+37713127(Top 49%)3831(Top 34%)3831(Top 78%)
20M20.00 mi1.36 mi15711+3275214+1845214+18412265(Top 46%)3446(Top 30%)3446(Top 71%)
21M21.00 mi1.00 mi15444+2675087+1275087+12711409(Top 43%)3107(Top 27%)3107(Top 64%)
35K21.75 mi0.75 mi15414+305081+65081+614648(Top 55%)4929(Top 43%)4929(Top 101%)
23M23.00 mi1.25 mi15274+1405012+695012+6913626(Top 51%)4421(Top 39%)4421(Top 91%)
24M24.00 mi1.00 mi15200+744978+344978+3414143(Top 53%)4770(Top 42%)4770(Top 98%)
40K24.85 mi0.85 mi15160+404972+64972+614223(Top 53%)4883(Top 43%)4883(Top 100%)
25.2M25.20 mi0.35 mi15090+704938+344938+3412052(Top 45%)3790(Top 33%)3790(Top 78%)
Finish26.22 mi1.02 mi15021+694921+174921+1713231(Top 50%)4339(Top 38%)4339(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15599

Females

5047

F18-39

5047

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18289

Females

6656

F18-39

6656

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15599

Females

5047

F18-39

5047

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15488

Females

5026

F18-39

5026

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15430

Females

4963

F18-39

4963

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19203

Females

7249

F18-39

7249

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13127

Females

3831

F18-39

3831

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12265

Females

3446

F18-39

3446

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11409

Females

3107

F18-39

3107

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14648

Females

4929

F18-39

4929

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13626

Females

4421

F18-39

4421

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14143

Females

4770

F18-39

4770

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14223

Females

4883

F18-39

4883

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12052

Females

3790

F18-39

3790

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13231

Females

4339

F18-39

4339

Passing Analysis

Category:
Athletes Passed
2786
Passed By
2370
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15437
5K → 10K281437-1409#15437#16846
10K → 15K49960+439#16846#16407
15K → 20K32255+267#16407#16140
20K → Half5820+38#16140#16102
Half → 25K31639-608#16102#16710
25K → 30K6786+672#16710#16038
30K → 20M3281+327#16038#15711
20M → 21M2692+267#15711#15444
21M → 35K5727+30#15444#15414
35K → 23M16323+140#15414#15274
23M → 24M10430+74#15274#15200
24M → 40K8242+40#15200#15160
40K → 25.2M744+70#15160#15090
25.2M → Finish9324+69#15090#15021
TOTALS27862370+416
📊

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