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BOSTON MARATHON 2023

Mackie Reilly

Bib: 17934•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 22%
Division (F18-39)
#0 / 4884
Top 37%
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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
48:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:12:21
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:00:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:25:31
↑ 181↓ 1480.2%
20M
7:58/mi
2:36:21
↑ 64↓ 500.2%
21M
8:15/mi
2:44:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:50:27
↑ 17↓ 861.7%
23M
8:00/mi
3:00:28
↑ 23↓ 630.6%
24M
7:52/mi
3:08:20
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:15:05
↓ 200.3%
25.2M
8:07/mi
3:17:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:25:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:45
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3424:447:5824:44
7:58
-
10K
6.21 mi11:39:1748:277:4823:43
7:38
-0:20
15K
9.32 mi12:03:111:12:217:4623:54
7:42
+0:04
20K
12.43 mi12:27:211:36:317:4624:10
7:47
+0:05
Half
13.11 mi12:32:351:41:457:465:14
7:40
-0:07
25K
15.53 mi12:51:302:00:407:4618:55
7:48
+0:08
30K
18.64 mi13:16:212:25:317:4824:51
8:00
+0:12
20M
20.00 mi13:27:112:36:217:4910:50
7:58
-0:02
21M
21.00 mi13:35:262:44:367:508:15
8:15
+0:17
35K
21.75 mi13:41:172:50:277:505:51
7:49
-0:26
23M
23.00 mi13:51:183:00:287:5110:01
8:00
+0:11
24M
24.00 mi13:59:103:08:207:517:52
7:52
-0:08
40K
24.85 mi14:05:553:15:057:516:45
7:54
+0:02
25.2M
25.20 mi14:08:433:17:537:512:48
8:07
+0:13
Finish
26.22 mi14:16:043:25:147:507:21
7:13
-0:54

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

7:13 /mi

Average Pace

7:50 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:45

60% of race

Time at Steady Pace

1:21:29

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:15:3424:447:5824:44
7:58
#13730
10K
6.21 mi11:39:1748:277:4823:43
7:38
#12684
15K
9.32 mi12:03:111:12:217:4623:54
7:42
#12336
20K
12.43 mi12:27:211:36:317:4624:10
7:47
#12093
Half
13.11 mi12:32:351:41:457:465:14
7:40
#12074
25K
15.53 mi12:51:302:00:407:4618:55
7:48
#11881
30K
18.64 mi13:16:212:25:317:4824:51
8:00
#11660
20M
20.00 mi13:27:112:36:217:4910:50
7:58
#11512
21M
21.00 mi13:35:262:44:367:508:15
8:15
#11315
35K
21.75 mi13:41:172:50:277:505:51
7:49
#11293
23M
23.00 mi13:51:183:00:287:5110:01
8:00
#11179
24M
24.00 mi13:59:103:08:207:517:52
7:52
#11135
40K
24.85 mi14:05:553:15:057:516:45
7:54
#11038
25.2M
25.20 mi14:08:433:17:537:512:48
8:07
#10953
Finish
26.22 mi14:16:043:25:147:507:21
7:13
#10736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137303857385711796(Top 44%)2790(Top 24%)2790(Top 57%)
10K6.21 mi3.10 mi12684+10463257+6003257+60011648(Top 44%)2673(Top 23%)2673(Top 55%)
15K9.32 mi3.11 mi12336+3483084+1733084+17311796(Top 44%)2790(Top 24%)2790(Top 57%)
20K12.43 mi3.11 mi12093+2432967+1172967+11711562(Top 43%)2716(Top 24%)2716(Top 56%)
Half13.11 mi0.68 mi12074+192962+52962+511656(Top 44%)2700(Top 24%)2700(Top 55%)
25K15.53 mi2.42 mi11881+1932862+1002862+10011114(Top 42%)2540(Top 22%)2540(Top 52%)
30K18.64 mi3.11 mi11660+2212781+812781+8110914(Top 41%)2591(Top 23%)2591(Top 53%)
20M20.00 mi1.36 mi11512+1482722+592722+5910095(Top 38%)2277(Top 20%)2277(Top 47%)
21M21.00 mi1.00 mi11315+1972628+942628+948943(Top 34%)1905(Top 17%)1905(Top 39%)
35K21.75 mi0.75 mi11293+222625+32625+310836(Top 41%)2788(Top 24%)2788(Top 57%)
23M23.00 mi1.25 mi11179+1142592+332592+339763(Top 37%)2390(Top 21%)2390(Top 49%)
24M24.00 mi1.00 mi11135+442594-22594-210297(Top 39%)2729(Top 24%)2729(Top 56%)
40K24.85 mi0.85 mi11038+972576+182576+189343(Top 35%)2325(Top 20%)2325(Top 48%)
25.2M25.20 mi0.35 mi10953+852544+322544+327318(Top 27%)1562(Top 14%)1562(Top 32%)
Finish26.22 mi1.02 mi10736+2172463+812463+816562(Top 25%)1273(Top 11%)1273(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11796

Females

2790

F18-39

2790

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11648

Females

2673

F18-39

2673

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11796

Females

2790

F18-39

2790

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11562

Females

2716

F18-39

2716

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11656

Females

2700

F18-39

2700

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11114

Females

2540

F18-39

2540

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10914

Females

2591

F18-39

2591

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10095

Females

2277

F18-39

2277

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8943

Females

1905

F18-39

1905

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10836

Females

2788

F18-39

2788

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9763

Females

2390

F18-39

2390

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10297

Females

2729

F18-39

2729

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9343

Females

2325

F18-39

2325

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7318

Females

1562

F18-39

1562

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6562

Females

1273

F18-39

1273

Passing Analysis

Category:
Athletes Passed
3499
Passed By
505
Net Change
+2994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13730
5K → 10K109852+1046#13730#12684
10K → 15K41971+348#12684#12336
15K → 20K30360+243#12336#12093
20K → Half4021+19#12093#12074
Half → 25K23441+193#12074#11881
25K → 30K29574+221#11881#11660
30K → 20M18032+148#11660#11512
20M → 21M20912+197#11512#11315
21M → 35K5735+22#11315#11293
35K → 23M14632+114#11293#11179
23M → 24M9854+44#11179#11135
24M → 40K11417+97#11135#11038
40K → 25.2M850+85#11038#10953
25.2M → Finish2214+217#10953#10736
TOTALS3499505+2994
📊

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