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BOSTON MARATHON 2023

Julianne O'connell

Bib: 26506•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
10:02/mi
31:11
↑ 97↓ 3451.5%
10K· 6.21 mi
9:51/mi
1:01:47
↑ 79↓ 1380.4%
15K· 9.32 mi
9:21/mi
1:30:50
↑ 67↓ 78
20K· 12.43 mi
9:23/mi
2:00:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
2:06:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:31:58
↑ 66↓ 880.2%
30K· 18.64 mi
11:10/mi
3:06:39
↑ 181↓ 1480.2%
20M
10:29/mi
3:20:54
↑ 64↓ 500.2%
21M
11:35/mi
3:32:29
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:40:07
↑ 17↓ 861.7%
23M
10:37/mi
3:53:25
↑ 23↓ 630.6%
24M
10:29/mi
4:03:54
↓ 821.3%
40K· 24.85 mi
14:23/mi
4:16:12
↓ 200.3%
25.2M
11:42/mi
4:20:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:29:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:15
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:23:27
Pace10:57 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2831:1110:0231:11
10:02
-
10K
6.21 mi12:24:041:01:479:5730:36
9:51
-0:11
15K
9.32 mi12:53:071:30:509:4529:03
9:21
-0:30
20K
12.43 mi13:22:172:00:009:3929:10
9:23
+0:02
Half
13.11 mi13:28:322:06:159:386:15
9:10
-0:13
25K
15.53 mi13:54:152:31:589:4725:43
10:36
+1:26
30K
18.64 mi14:28:563:06:3910:0134:41
11:10
+0:34
20M
20.00 mi14:43:113:20:5410:0314:15
10:29
-0:41
21M
21.00 mi14:54:463:32:2910:0711:35
11:35
+1:06
35K
21.75 mi15:02:243:40:0710:077:38
10:12
-1:23
23M
23.00 mi15:15:423:53:2510:0913:18
10:37
+0:25
24M
24.00 mi15:26:114:03:5410:1010:29
10:29
-0:08
40K
24.85 mi15:38:294:16:1210:1812:18
14:23
+3:54
25.2M
25.20 mi15:42:314:20:1410:204:02
11:42
-2:41
Finish
26.22 mi15:51:594:29:4210:189:28
9:17
-2:25

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

9:10 /mi

Average Pace

10:18 /mi

Slowest Pace

14:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:56

27% of race

Time at Steady Pace

2:13:10

49% of race

Time at Slower Pace

1:02:36

23% of race

Average Pace: 10:17 /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 mi11:53:2831:1110:0231:11
10:02
#23534
10K
6.21 mi12:24:041:01:479:5730:36
9:51
#23503
15K
9.32 mi12:53:071:30:509:4529:03
9:21
#23004
20K
12.43 mi13:22:172:00:009:3929:10
9:23
#22569
Half
13.11 mi13:28:322:06:159:386:15
9:10
#22496
25K
15.53 mi13:54:152:31:589:4725:43
10:36
#22669
30K
18.64 mi14:28:563:06:3910:0134:41
11:10
#22826
20M
20.00 mi14:43:113:20:5410:0314:15
10:29
#22734
21M
21.00 mi14:54:463:32:2910:0711:35
11:35
#22705
35K
21.75 mi15:02:243:40:0710:077:38
10:12
#22674
23M
23.00 mi15:15:423:53:2510:0913:18
10:37
#22588
24M
24.00 mi15:26:114:03:5410:1010:29
10:29
#22560
40K
24.85 mi15:38:294:16:1210:1812:18
14:23
#22805
25.2M
25.20 mi15:42:314:20:1410:204:02
11:42
#22790
Finish
26.22 mi15:51:594:29:4210:189:28
9:17
#22710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235349660966021818(Top 82%)8685(Top 76%)8685(Top 178%)
10K6.21 mi3.10 mi23503+319624+369624+3623376(Top 88%)9553(Top 84%)9553(Top 196%)
15K9.32 mi3.11 mi23004+4999360+2649360+26421818(Top 82%)8685(Top 76%)8685(Top 178%)
20K12.43 mi3.11 mi22569+4359124+2369124+23621228(Top 80%)8360(Top 73%)8360(Top 171%)
Half13.11 mi0.68 mi22496+739090+349090+3421073(Top 79%)8297(Top 73%)8297(Top 170%)
25K15.53 mi2.42 mi22669-1739190-1009190-10023365(Top 88%)9595(Top 84%)9595(Top 196%)
30K18.64 mi3.11 mi22826-1579294-1049294-10423362(Top 88%)9660(Top 85%)9660(Top 198%)
20M20.00 mi1.36 mi22734+929259+359259+3521713(Top 82%)8820(Top 77%)8820(Top 181%)
21M21.00 mi1.00 mi22705+299252+79252+722032(Top 83%)9009(Top 79%)9009(Top 184%)
35K21.75 mi0.75 mi22674+319247+59247+521807(Top 82%)8941(Top 78%)8941(Top 183%)
23M23.00 mi1.25 mi22588+869204+439204+4321611(Top 81%)8857(Top 78%)8857(Top 181%)
24M24.00 mi1.00 mi22560+289198+69198+622016(Top 83%)9109(Top 80%)9109(Top 187%)
40K24.85 mi0.85 mi22805-2459339-1419339-14125901(Top 97%)11129(Top 97%)11129(Top 228%)
25.2M25.20 mi0.35 mi22790+159331+89331+821976(Top 83%)9119(Top 80%)9119(Top 187%)
Finish26.22 mi1.02 mi22710+809292+399292+3919359(Top 73%)7659(Top 67%)7659(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21818

Females

8685

F18-39

8685

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23376

Females

9553

F18-39

9553

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21818

Females

8685

F18-39

8685

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21228

Females

8360

F18-39

8360

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21073

Females

8297

F18-39

8297

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23365

Females

9595

F18-39

9595

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23362

Females

9660

F18-39

9660

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21713

Females

8820

F18-39

8820

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22032

Females

9009

F18-39

9009

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21807

Females

8941

F18-39

8941

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21611

Females

8857

F18-39

8857

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22016

Females

9109

F18-39

9109

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25901

Females

11129

F18-39

11129

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21976

Females

9119

F18-39

9119

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19359

Females

7659

F18-39

7659

Passing Analysis

Category:
Athletes Passed
1839
Passed By
1015
Net Change
+824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23534
5K → 10K225194+31#23534#23503
10K → 15K51011+499#23503#23004
15K → 20K4427+435#23004#22569
20K → Half752+73#22569#22496
Half → 25K47220-173#22496#22669
25K → 30K73230-157#22669#22826
30K → 20M11018+92#22826#22734
20M → 21M6334+29#22734#22705
21M → 35K4312+31#22705#22674
35K → 23M10418+86#22674#22588
23M → 24M4416+28#22588#22560
24M → 40K1246-245#22560#22805
40K → 25.2M194+15#22805#22790
25.2M → Finish833+80#22790#22710
TOTALS18391015+824
📊

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