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BOSTON MARATHON 2023

Denise Iannizzotto

NY

Bib: 18237 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F60-64)
#0 / 527
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:38/mi
23:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:30/mi
47:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:34/mi
1:10:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:41/mi
1:34:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:33/mi
1:39:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:38/mi
1:58:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:48/mi
2:22:19
↑ 181↓ 1480.2%
138 ft elev
20M
7:54/mi
2:33:03
↑ 64↓ 500.2%
148 ft elev
21M
8:26/mi
2:41:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:41/mi
2:47:14
↑ 17↓ 861.7%
156 ft elev
23M
8:00/mi
2:57:15
↑ 23↓ 630.6%
116 ft elev
24M
7:39/mi
3:04:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:55/mi
3:11:40
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:14:41
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:21/mi
3:23:12
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:39:357:36 /mi⚡ faster
2nd Half
1:43:377:54 /mi+4.1%
Positive split — 4.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:437:383.11 mi23:43
7:38
-
10K
47:027:343.10 mi23:19
7:30
-0:08
15K
1:10:337:343.11 mi23:31
7:34
+0:04
20K
1:34:267:363.11 mi23:53
7:41
+0:07
Half(13.11 mi)
1:39:357:360.68 mi5:09
7:33
-0:08
25K
1:58:067:362.42 mi18:31
7:38
+0:05
30K
2:22:197:383.11 mi24:13
7:48
+0:10
20M
2:33:037:391.36 mi10:44
7:54
+0:06
21M
2:41:297:411.00 mi8:26
8:26
+0:32
35K
2:47:147:410.75 mi5:45
7:41
-0:45
23M
2:57:157:421.25 mi10:01
8:00
+0:19
24M
3:04:547:421.00 mi7:39
7:39
-0:21
40K
3:11:407:430.85 mi6:46
7:55
+0:16
25.2M
3:14:417:440.35 mi3:01
8:45
+0:50
Finish(26.22 mi)
3:23:127:451.02 mi8:31
8:21
-0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:30 /mi

Average Pace

7:45 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:03:14

90% of race

Time at Steady Pace

19:58

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi10866226222621076722142214
10K3.10 mi10644+2222142+1202142+1201049720542054
15K3.11 mi10658-142143-12143-11076722142214
20K3.11 mi10700-422189-462189-461083123262326
Half(13.11 mi)0.68 mi10695+52181+82181+81066422022202
25K2.42 mi10500+1952094+872094+87984119381938
30K3.11 mi10251+2492024+702024+70933618561856
20M1.36 mi10183+682019+52019+5957520512051
21M1.00 mi10140+432012+72012+71008824212421
35K0.75 mi10111+292018-62018-6986822932293
23M1.25 mi10059+522023-52023-5975323802380
24M1.00 mi9983+762029-62029-6878820002000
40K0.85 mi9929+542031-22031-2947323882388
25.2M0.35 mi9930-12047-162047-161104332013201
Finish(26.22 mi)1.02 mi10108-1782151-1042151-1041445849664966

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10767

Females

2214

F60-64

2214

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10497

Females

2054

F60-64

2054

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10767

Females

2214

F60-64

2214

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10831

Females

2326

F60-64

2326

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10664

Females

2202

F60-64

2202

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9841

Females

1938

F60-64

1938

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9336

Females

1856

F60-64

1856

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9575

Females

2051

F60-64

2051

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10088

Females

2421

F60-64

2421

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9868

Females

2293

F60-64

2293

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9753

Females

2380

F60-64

2380

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8788

Females

2000

F60-64

2000

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9473

Females

2388

F60-64

2388

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11043

Females

3201

F60-64

3201

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14458

Females

4966

F60-64

4966

Passing Analysis

Category:
Passed
1926*
Passed By
1167
Net Change
+758
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10866
5K → 10K405183+222#10866#10644
10K → 15K181195-14#10644#10658
15K → 20K141183-42#10658#10700
20K → Half3126+5#10700#10695
Half → 25K22732+195#10695#10500
25K → 30K295*46+249#10500#10251
30K → 20M114*46+68#10251#10183
20M → 21M10562+43#10183#10140
21M → 35K5627+29#10140#10111
35K → 23M10755+52#10111#10059
23M → 24M11438+76#10059#9983
24M → 40K9137+54#9983#9929
40K → 25.2M3132-1#9929#9930
25.2M → Finish28205-178#9930#10108
TOTALS1926*1167+758

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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