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BOSTON MARATHON 2023

Clare Wood

Bib: 19479•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F45-49)
#0 / 1817
Top 23%
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
25:26
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
50:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:15:04
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:39:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:45:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:04:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:18/mi
2:30:34
↑ 181↓ 1480.2%
20M
8:24/mi
2:41:59
↑ 64↓ 500.2%
21M
8:52/mi
2:50:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:56:57
↑ 17↓ 861.7%
23M
8:28/mi
3:07:33
↑ 23↓ 630.6%
24M
8:08/mi
3:15:41
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:22:56
↓ 200.3%
25.2M
9:05/mi
3:26:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:34:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:48:59
Pace8:19 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0925:268:1125:26
8:11
-
10K
6.21 mi11:43:0250:198:0624:53
8:01
-0:10
15K
9.32 mi12:07:471:15:048:0324:45
7:58
-0:03
20K
12.43 mi12:32:421:39:598:0324:55
8:01
+0:03
Half
13.11 mi12:38:061:45:238:025:24
7:55
-0:06
25K
15.53 mi12:57:312:04:488:0219:25
8:00
+0:05
30K
18.64 mi13:23:172:30:348:0525:46
8:18
+0:18
20M
20.00 mi13:34:422:41:598:0611:25
8:24
+0:06
21M
21.00 mi13:43:342:50:518:088:52
8:52
+0:28
35K
21.75 mi13:49:402:56:578:086:06
8:09
-0:43
23M
23.00 mi14:00:163:07:338:0910:36
8:28
+0:19
24M
24.00 mi14:08:243:15:418:098:08
8:08
-0:20
40K
24.85 mi14:15:393:22:568:107:15
8:29
+0:21
25.2M
25.20 mi14:18:473:26:048:113:08
9:05
+0:36
Finish
26.22 mi14:27:053:34:228:118:18
8:09
-0:56

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

7:55 /mi

Average Pace

8:11 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:22

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:18:0925:268:1125:26
8:11
#15365
10K
6.21 mi11:43:0250:198:0624:53
8:01
#15111
15K
9.32 mi12:07:471:15:048:0324:45
7:58
#14773
20K
12.43 mi12:32:421:39:598:0324:55
8:01
#14433
Half
13.11 mi12:38:061:45:238:025:24
7:55
#14405
25K
15.53 mi12:57:312:04:488:0219:25
8:00
#14141
30K
18.64 mi13:23:172:30:348:0525:46
8:18
#13917
20M
20.00 mi13:34:422:41:598:0611:25
8:24
#13823
21M
21.00 mi13:43:342:50:518:088:52
8:52
#13736
35K
21.75 mi13:49:402:56:578:086:06
8:09
#13692
23M
23.00 mi14:00:163:07:338:0910:36
8:28
#13622
24M
24.00 mi14:08:243:15:418:098:08
8:08
#13527
40K
24.85 mi14:15:393:22:568:107:15
8:29
#13494
25.2M
25.20 mi14:18:473:26:048:113:08
9:05
#13471
Finish
26.22 mi14:27:053:34:228:118:18
8:09
#13448
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153654875487514120(Top 53%)4156(Top 36%)4156(Top 229%)
10K6.21 mi3.10 mi15111+2544716+1594716+15914872(Top 56%)4589(Top 40%)4589(Top 253%)
15K9.32 mi3.11 mi14773+3384522+1944522+19414120(Top 53%)4156(Top 36%)4156(Top 229%)
20K12.43 mi3.11 mi14433+3404332+1904332+19013620(Top 51%)3890(Top 34%)3890(Top 214%)
Half13.11 mi0.68 mi14405+284317+154317+1513753(Top 52%)3940(Top 34%)3940(Top 217%)
25K15.53 mi2.42 mi14141+2644191+1264191+12612830(Top 48%)3540(Top 31%)3540(Top 195%)
30K18.64 mi3.11 mi13917+2244092+994092+9913005(Top 49%)3764(Top 33%)3764(Top 207%)
20M20.00 mi1.36 mi13823+944051+414051+4113047(Top 49%)3883(Top 34%)3883(Top 214%)
21M21.00 mi1.00 mi13736+874014+374014+3712679(Top 48%)3775(Top 33%)3775(Top 208%)
35K21.75 mi0.75 mi13692+444002+124002+1213177(Top 49%)4098(Top 36%)4098(Top 226%)
23M23.00 mi1.25 mi13622+703985+173985+1713010(Top 49%)4073(Top 36%)4073(Top 224%)
24M24.00 mi1.00 mi13527+953955+303955+3012173(Top 46%)3684(Top 32%)3684(Top 203%)
40K24.85 mi0.85 mi13494+333956-13956-113223(Top 50%)4321(Top 38%)4321(Top 238%)
25.2M25.20 mi0.35 mi13471+233958-23958-213060(Top 49%)4258(Top 37%)4258(Top 234%)
Finish26.22 mi1.02 mi13448+233962-43962-413091(Top 49%)4260(Top 37%)4260(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14120

Females

4156

F45-49

4156

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14872

Females

4589

F45-49

4589

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14120

Females

4156

F45-49

4156

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13620

Females

3890

F45-49

3890

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13753

Females

3940

F45-49

3940

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12830

Females

3540

F45-49

3540

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13005

Females

3764

F45-49

3764

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13047

Females

3883

F45-49

3883

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12679

Females

3775

F45-49

3775

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13177

Females

4098

F45-49

4098

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13010

Females

4073

F45-49

4073

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12173

Females

3684

F45-49

3684

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13223

Females

4321

F45-49

4321

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13060

Females

4258

F45-49

4258

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13091

Females

4260

F45-49

4260

Passing Analysis

Category:
Athletes Passed
2682
Passed By
765
Net Change
+1917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15365
5K → 10K456202+254#15365#15111
10K → 15K39052+338#15111#14773
15K → 20K38646+340#14773#14433
20K → Half5426+28#14433#14405
Half → 25K29228+264#14405#14141
25K → 30K31086+224#14141#13917
30K → 20M13743+94#13917#13823
20M → 21M13750+87#13823#13736
21M → 35K7228+44#13736#13692
35K → 23M11949+70#13692#13622
23M → 24M11924+95#13622#13527
24M → 40K8047+33#13527#13494
40K → 25.2M4724+23#13494#13471
25.2M → Finish8360+23#13471#13448
TOTALS2682765+1917
📊

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