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BOSTON MARATHON 2023

Kristin Mon

Bib: 12315•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 41%
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
7:32/mi
23:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:11:01
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:36:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:42:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:02:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:28:25
↑ 181↓ 1480.2%
20M
8:21/mi
2:39:46
↑ 64↓ 500.2%
21M
9:13/mi
2:48:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:55:18
↑ 17↓ 861.7%
23M
9:12/mi
3:06:49
↑ 23↓ 630.6%
24M
8:46/mi
3:15:35
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:23:12
↓ 200.3%
25.2M
9:34/mi
3:26:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:35:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:52:54
Pace8:37 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2923:237:3223:23
7:32
-
10K
6.21 mi11:13:5146:457:3123:22
7:31
-0:01
15K
9.32 mi11:38:071:11:017:3724:16
7:49
+0:18
20K
12.43 mi12:03:441:36:387:4725:37
8:15
+0:26
Half
13.11 mi12:09:171:42:117:485:33
8:08
-0:07
25K
15.53 mi12:29:182:02:127:5220:01
8:15
+0:07
30K
18.64 mi12:55:312:28:257:5826:13
8:26
+0:11
20M
20.00 mi13:06:522:39:467:5911:21
8:21
-0:05
21M
21.00 mi13:16:052:48:598:039:13
9:13
+0:52
35K
21.75 mi13:22:242:55:188:046:19
8:27
-0:46
23M
23.00 mi13:33:553:06:498:0711:31
9:12
+0:45
24M
24.00 mi13:42:413:15:358:098:46
8:46
-0:26
40K
24.85 mi13:50:183:23:128:117:37
8:54
+0:08
25.2M
25.20 mi13:53:363:26:308:123:18
9:34
+0:40
Finish
26.22 mi14:02:113:35:058:138:35
8:25
-1:09

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

7:31 /mi

Average Pace

8:13 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:01

33% of race

Time at Steady Pace

1:43:39

48% of race

Time at Slower Pace

40:25

19% of race

Average Pace: 8:12 /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 mi10:50:2923:237:3223:23
7:32
#9880
10K
6.21 mi11:13:5146:457:3123:22
7:31
#10269
15K
9.32 mi11:38:071:11:017:3724:16
7:49
#11106
20K
12.43 mi12:03:441:36:387:4725:37
8:15
#12178
Half
13.11 mi12:09:171:42:117:485:33
8:08
#12362
25K
15.53 mi12:29:182:02:127:5220:01
8:15
#12755
30K
18.64 mi12:55:312:28:257:5826:13
8:26
#13004
20M
20.00 mi13:06:522:39:467:5911:21
8:21
#12951
21M
21.00 mi13:16:052:48:598:039:13
9:13
#13038
35K
21.75 mi13:22:242:55:188:046:19
8:27
#13098
23M
23.00 mi13:33:553:06:498:0711:31
9:12
#13373
24M
24.00 mi13:42:413:15:358:098:46
8:46
#13496
40K
24.85 mi13:50:183:23:128:117:37
8:54
#13589
25.2M
25.20 mi13:53:363:26:308:123:18
9:34
#13610
Finish
26.22 mi14:02:113:35:058:138:35
8:25
#13658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi98801806180612846(Top 48%)3379(Top 30%)3379(Top 180%)
10K6.21 mi3.10 mi10269-3891963-1571963-15710645(Top 40%)2130(Top 19%)2130(Top 113%)
15K9.32 mi3.11 mi11106-8372395-4322395-43212846(Top 48%)3379(Top 30%)3379(Top 180%)
20K12.43 mi3.11 mi12178-10723024-6293024-62915239(Top 57%)4857(Top 43%)4857(Top 259%)
Half13.11 mi0.68 mi12362-1843129-1053129-10515344(Top 58%)4878(Top 43%)4878(Top 260%)
25K15.53 mi2.42 mi12755-3933370-2413370-24114641(Top 55%)4609(Top 40%)4609(Top 245%)
30K18.64 mi3.11 mi13004-2493551-1813551-18113930(Top 52%)4291(Top 38%)4291(Top 228%)
20M20.00 mi1.36 mi12951+533541+103541+1012734(Top 48%)3705(Top 32%)3705(Top 197%)
21M21.00 mi1.00 mi13038-873608-673608-6714565(Top 55%)4795(Top 42%)4795(Top 255%)
35K21.75 mi0.75 mi13098-603652-443652-4414981(Top 56%)5086(Top 45%)5086(Top 271%)
23M23.00 mi1.25 mi13373-2753839-1873839-18717048(Top 64%)6310(Top 55%)6310(Top 336%)
24M24.00 mi1.00 mi13496-1233937-983937-9816031(Top 60%)5818(Top 51%)5818(Top 310%)
40K24.85 mi0.85 mi13589-934015-784015-7815670(Top 59%)5662(Top 50%)5662(Top 301%)
25.2M25.20 mi0.35 mi13610-214035-204035-2015515(Top 58%)5576(Top 49%)5576(Top 297%)
Finish26.22 mi1.02 mi13658-484089-544089-5414900(Top 56%)5201(Top 46%)5201(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12846

Females

3379

F40-44

3379

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10645

Females

2130

F40-44

2130

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12846

Females

3379

F40-44

3379

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15239

Females

4857

F40-44

4857

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15344

Females

4878

F40-44

4878

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14641

Females

4609

F40-44

4609

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13930

Females

4291

F40-44

4291

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12734

Females

3705

F40-44

3705

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14565

Females

4795

F40-44

4795

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14981

Females

5086

F40-44

5086

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17048

Females

6310

F40-44

6310

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16031

Females

5818

F40-44

5818

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15670

Females

5662

F40-44

5662

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15515

Females

5576

F40-44

5576

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14900

Females

5201

F40-44

5201

Passing Analysis

Category:
Athletes Passed
785
Passed By
4562
Net Change
-3778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9880
5K → 10K164552-389#9880#10269
10K → 15K29866-837#10269#11106
15K → 20K211093-1072#11106#12178
20K → Half2186-184#12178#12362
Half → 25K50443-393#12362#12755
25K → 30K116365-249#12755#13004
30K → 20M11764+53#13004#12951
20M → 21M69156-87#12951#13038
21M → 35K3393-60#13038#13098
35K → 23M33308-275#13098#13373
23M → 24M40163-123#13373#13496
24M → 40K32125-93#13496#13589
40K → 25.2M2344-21#13589#13610
25.2M → Finish56104-48#13610#13658
TOTALS7854562-3778
📊

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