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BOSTON MARATHON 2023

Maggie Oconnor

Bib: 15681•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:48
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:36:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:41:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:00:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:25:28
↑ 181↓ 1480.2%
20M
7:58/mi
2:36:17
↑ 64↓ 500.2%
21M
8:05/mi
2:44:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:50:17
↑ 17↓ 861.7%
23M
8:01/mi
3:00:19
↑ 23↓ 630.6%
24M
7:46/mi
3:08:05
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:14:40
↓ 200.3%
25.2M
7:50/mi
3:17:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:24:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:43:00
Pace7:51 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0224:037:4424:03
7:44
-
10K
6.21 mi11:17:4647:477:4123:44
7:38
-0:06
15K
9.32 mi11:41:471:11:487:4224:01
7:44
+0:06
20K
12.43 mi12:06:191:36:207:4524:32
7:54
+0:10
Half
13.11 mi12:11:411:41:427:455:22
7:52
-0:02
25K
15.53 mi12:30:412:00:427:4619:00
7:50
-0:02
30K
18.64 mi12:55:272:25:287:4824:46
7:58
+0:08
20M
20.00 mi13:06:162:36:177:4910:49
7:58
0:00
21M
21.00 mi13:14:212:44:227:508:05
8:05
+0:07
35K
21.75 mi13:20:162:50:177:505:55
7:55
-0:10
23M
23.00 mi13:30:183:00:197:5010:02
8:01
+0:06
24M
24.00 mi13:38:043:08:057:507:46
7:46
-0:15
40K
24.85 mi13:44:393:14:407:506:35
7:42
-0:04
25.2M
25.20 mi13:47:213:17:227:502:42
7:50
+0:08
Finish
26.22 mi13:54:413:24:427:497:20
7:12
-0:38

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

7:12 /mi

Average Pace

7:49 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:00

74% of race

Time at Steady Pace

53:42

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:54:0224:037:4424:03
7:44
#11871
10K
6.21 mi11:17:4647:477:4123:44
7:38
#11715
15K
9.32 mi11:41:471:11:487:4224:01
7:44
#11824
20K
12.43 mi12:06:191:36:207:4524:32
7:54
#11986
Half
13.11 mi12:11:411:41:427:455:22
7:52
#12046
25K
15.53 mi12:30:412:00:427:4619:00
7:50
#11916
30K
18.64 mi12:55:272:25:287:4824:46
7:58
#11638
20M
20.00 mi13:06:162:36:177:4910:49
7:58
#11489
21M
21.00 mi13:14:212:44:227:508:05
8:05
#11233
35K
21.75 mi13:20:162:50:177:505:55
7:55
#11233
23M
23.00 mi13:30:183:00:197:5010:02
8:01
#11129
24M
24.00 mi13:38:043:08:057:507:46
7:46
#11038
40K
24.85 mi13:44:393:14:407:506:35
7:42
#10895
25.2M
25.20 mi13:47:213:17:227:502:42
7:50
#10780
Finish
26.22 mi13:54:413:24:427:497:20
7:12
#10566
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118712795279512136(Top 46%)2977(Top 26%)2977(Top 61%)
10K6.21 mi3.10 mi11715+1562716+792716+7911715(Top 44%)2714(Top 24%)2714(Top 56%)
15K9.32 mi3.11 mi11824-1092798-822798-8212136(Top 46%)2977(Top 26%)2977(Top 61%)
20K12.43 mi3.11 mi11986-1622908-1102908-11012618(Top 47%)3335(Top 29%)3335(Top 68%)
Half13.11 mi0.68 mi12046-602943-352943-3513428(Top 50%)3774(Top 33%)3774(Top 77%)
25K15.53 mi2.42 mi11916+1302892+512892+5111421(Top 43%)2733(Top 24%)2733(Top 56%)
30K18.64 mi3.11 mi11638+2782772+1202772+12010678(Top 40%)2484(Top 22%)2484(Top 51%)
20M20.00 mi1.36 mi11489+1492711+612711+6110023(Top 38%)2250(Top 20%)2250(Top 46%)
21M21.00 mi1.00 mi11233+2562587+1242587+1247955(Top 30%)1514(Top 13%)1514(Top 31%)
35K21.75 mi0.75 mi112332592-52592-511550(Top 43%)3188(Top 28%)3188(Top 65%)
23M23.00 mi1.25 mi11129+1042562+302562+309893(Top 37%)2475(Top 22%)2475(Top 51%)
24M24.00 mi1.00 mi11038+912545+172545+179602(Top 36%)2411(Top 21%)2411(Top 49%)
40K24.85 mi0.85 mi10895+1432503+422503+428037(Top 30%)1775(Top 16%)1775(Top 36%)
25.2M25.20 mi0.35 mi10780+1152454+492454+495664(Top 21%)974(Top 9%)974(Top 20%)
Finish26.22 mi1.02 mi10566+2142382+722382+726465(Top 24%)1241(Top 11%)1241(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12136

Females

2977

F18-39

2977

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11715

Females

2714

F18-39

2714

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12136

Females

2977

F18-39

2977

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12618

Females

3335

F18-39

3335

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13428

Females

3774

F18-39

3774

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11421

Females

2733

F18-39

2733

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10678

Females

2484

F18-39

2484

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10023

Females

2250

F18-39

2250

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7955

Females

1514

F18-39

1514

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11550

Females

3188

F18-39

3188

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9893

Females

2475

F18-39

2475

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9602

Females

2411

F18-39

2411

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8037

Females

1775

F18-39

1775

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5664

Females

974

F18-39

974

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6465

Females

1241

F18-39

1241

Passing Analysis

Category:
Athletes Passed
2415
Passed By
1110
Net Change
+1305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11871
5K → 10K380224+156#11871#11715
10K → 15K147256-109#11715#11824
15K → 20K115277-162#11824#11986
20K → Half969-60#11986#12046
Half → 25K19666+130#12046#11916
25K → 30K33557+278#11916#11638
30K → 20M17829+149#11638#11489
20M → 21M2615+256#11489#11233
21M → 35K46460#11233#11233
35K → 23M13733+104#11233#11129
23M → 24M12332+91#11129#11038
24M → 40K1529+143#11038#10895
40K → 25.2M1161+115#10895#10780
25.2M → Finish2206+214#10780#10566
TOTALS24151110+1305
📊

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