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BOSTON MARATHON 2023

Mary Harrington

Bib: 2483•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #2385
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
39:59
Rank: #2164 (+221)
5K → 10K
19:44 | 6:21/mi
15K· 9.32 mi
1:00:06
Rank: #2253 (-89)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:34
Rank: #2360 (-107)
15K → 20K
20:28 | 6:35/mi
Half· 13.11 mi
1:25:01
Rank: #2388 (-28)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:41:04
Rank: #2446 (-58)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:02:21
Rank: #2533 (-87)
25K → 30K
21:17 | 6:51/mi
20M
2:11:40
Rank: #2560 (-27)
30K → 20M
9:19 | 6:51/mi
21M
2:19:11
Rank: #2622 (-62)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:24:13
Rank: #2629 (-7)
21M → 35K
5:02 | 6:44/mi
23M
2:32:58
Rank: #2656 (-27)
35K → 23M
8:45 | 6:59/mi
24M
2:39:46
Rank: #2689 (-33)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:45:44
Rank: #2704 (-15)
24M → 40K
5:58 | 6:59/mi
25.2M
2:48:21
Rank: #2728 (-24)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:55:20
Rank: #2776 (-48)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:01
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0820:156:3120:15
6:31
-
10K
6.21 mi10:40:5239:596:2619:44
6:21
-0:10
15K
9.32 mi11:00:591:00:066:2720:07
6:28
+0:07
20K
12.43 mi11:21:271:20:346:2920:28
6:35
+0:07
Half
13.11 mi11:25:541:25:016:294:27
6:31
-0:04
25K
15.53 mi11:41:571:41:046:3016:03
6:37
+0:06
30K
18.64 mi12:03:142:02:216:3421:17
6:51
+0:14
20M
20.00 mi12:12:332:11:406:359:19
6:51
0:00
21M
21.00 mi12:20:042:19:116:387:31
7:31
+0:40
35K
21.75 mi12:25:062:24:136:385:02
6:44
-0:47
23M
23.00 mi12:33:512:32:586:398:45
6:59
+0:15
24M
24.00 mi12:40:392:39:466:396:48
6:48
-0:11
40K
24.85 mi12:46:372:45:446:405:58
6:59
+0:11
25.2M
25.20 mi12:49:142:48:216:412:37
7:35
+0:36
Finish
26.22 mi12:56:132:55:206:426:59
6:51
-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

6:21 /mi

Average Pace

6:42 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:12

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

10:08

6% of race

Average Pace: 6:41 /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 mi10:21:0820:156:3120:15
6:31
#2385
10K
6.21 mi10:40:5239:596:2619:44
6:21
#2164
15K
9.32 mi11:00:591:00:066:2720:07
6:28
#2253
20K
12.43 mi11:21:271:20:346:2920:28
6:35
#2360
Half
13.11 mi11:25:541:25:016:294:27
6:31
#2388
25K
15.53 mi11:41:571:41:046:3016:03
6:37
#2446
30K
18.64 mi12:03:142:02:216:3421:17
6:51
#2533
20M
20.00 mi12:12:332:11:406:359:19
6:51
#2560
21M
21.00 mi12:20:042:19:116:387:31
7:31
#2622
35K
21.75 mi12:25:062:24:136:385:02
6:44
#2629
23M
23.00 mi12:33:512:32:586:398:45
6:59
#2656
24M
24.00 mi12:40:392:39:466:396:48
6:48
#2689
40K
24.85 mi12:46:372:45:446:405:58
6:59
#2704
25.2M
25.20 mi12:49:142:48:216:412:37
7:35
#2728
Finish
26.22 mi12:56:132:55:206:426:59
6:51
#2776
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi23851091092506(Top 9%)101(Top 0.9%)101(Top 2%)
10K6.21 mi3.10 mi2164+22190+1990+192000(Top 8%)86(Top 0.8%)86(Top 2%)
15K9.32 mi3.11 mi2253-8993-393-32506(Top 9%)101(Top 0.9%)101(Top 2%)
20K12.43 mi3.11 mi2360-10796-396-32780(Top 10%)120(Top 1%)120(Top 2%)
Half13.11 mi0.68 mi2388-2897-197-13004(Top 11%)130(Top 1%)130(Top 3%)
25K15.53 mi2.42 mi2446-58101-4101-42836(Top 11%)126(Top 1%)126(Top 3%)
30K18.64 mi3.11 mi2533-87108-7108-73326(Top 12%)190(Top 2%)190(Top 4%)
20M20.00 mi1.36 mi2560-27112-4112-43185(Top 12%)192(Top 2%)192(Top 4%)
21M21.00 mi1.00 mi2622-621121124681(Top 18%)432(Top 4%)432(Top 9%)
35K21.75 mi0.75 mi2629-7115-3115-33772(Top 14%)282(Top 2%)282(Top 6%)
23M23.00 mi1.25 mi2656-27116-1116-13757(Top 14%)286(Top 3%)286(Top 6%)
24M24.00 mi1.00 mi2689-33122-6122-63682(Top 14%)299(Top 3%)299(Top 6%)
40K24.85 mi0.85 mi2704-15125-3125-33754(Top 14%)358(Top 3%)358(Top 7%)
25.2M25.20 mi0.35 mi2728-24133-8133-84373(Top 16%)528(Top 5%)528(Top 11%)
Finish26.22 mi1.02 mi2776-48135-2135-24384(Top 16%)541(Top 5%)541(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2506

Females

101

F18-39

101

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2000

Females

86

F18-39

86

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2506

Females

101

F18-39

101

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2780

Females

120

F18-39

120

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3004

Females

130

F18-39

130

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2836

Females

126

F18-39

126

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3326

Females

190

F18-39

190

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3185

Females

192

F18-39

192

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4681

Females

432

F18-39

432

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3772

Females

282

F18-39

282

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3757

Females

286

F18-39

286

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3682

Females

299

F18-39

299

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3754

Females

358

F18-39

358

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4373

Females

528

F18-39

528

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4384

Females

541

F18-39

541

Passing Analysis

Category:
Athletes Passed
600
Passed By
991
Net Change
-391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2385
5K → 10K26039+221#2385#2164
10K → 15K33122-89#2164#2253
15K → 20K37144-107#2253#2360
20K → Half533-28#2360#2388
Half → 25K2684-58#2388#2446
25K → 30K39126-87#2446#2533
30K → 20M2653-27#2533#2560
20M → 21M1981-62#2560#2622
21M → 35K2027-7#2622#2629
35K → 23M3865-27#2629#2656
23M → 24M3770-33#2656#2689
24M → 40K3247-15#2689#2704
40K → 25.2M731-24#2704#2728
25.2M → Finish2169-48#2728#2776
TOTALS600991-391
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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