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BOSTON MARATHON 2023

Ian Jude Chio

Bib: 24774•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
10:18/mi
31:59
↑ 97↓ 3451.5%
10K· 6.21 mi
9:47/mi
1:02:23
↑ 79↓ 1380.4%
15K· 9.32 mi
10:15/mi
1:34:15
↑ 67↓ 78
20K· 12.43 mi
10:14/mi
2:06:02
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:12:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:07/mi
2:39:51
↑ 66↓ 880.2%
30K· 18.64 mi
12:49/mi
3:19:41
↑ 181↓ 1480.2%
20M
13:09/mi
3:37:33
↑ 64↓ 500.2%
21M
14:59/mi
3:52:32
↑ 106↓ 241.6%
35K· 21.75 mi
13:26/mi
4:02:35
↑ 17↓ 861.7%
23M
13:53/mi
4:19:58
↑ 23↓ 630.6%
24M
13:36/mi
4:33:34
↓ 821.3%
40K· 24.85 mi
13:22/mi
4:45:00
↓ 200.3%
25.2M
14:15/mi
4:49:55
↑ 13↓ 160.2%
Finish· 26.22 mi
11:59/mi
5:02:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:53
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:49:15
Pace12:55 /mi
📊Positive Split: 27.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3031:5910:1831:59
10:18
-
10K
6.21 mi12:19:541:02:2310:0230:24
9:47
-0:31
15K
9.32 mi12:51:461:34:1510:0731:52
10:15
+0:28
20K
12.43 mi13:23:332:06:0210:0831:47
10:14
-0:01
Half
13.11 mi13:30:242:12:5310:086:51
10:02
-0:12
25K
15.53 mi13:57:222:39:5110:1726:58
11:07
+1:05
30K
18.64 mi14:37:123:19:4110:4339:50
12:49
+1:42
20M
20.00 mi14:55:043:37:3310:5317:52
13:09
+0:20
21M
21.00 mi15:10:033:52:3211:0414:59
14:59
+1:50
35K
21.75 mi15:20:064:02:3511:0910:03
13:26
-1:33
23M
23.00 mi15:37:294:19:5811:1817:23
13:53
+0:27
24M
24.00 mi15:51:054:33:3411:2413:36
13:36
-0:17
40K
24.85 mi16:02:314:45:0011:2811:26
13:22
-0:14
25.2M
25.20 mi16:07:264:49:5511:304:55
14:15
+0:53
Finish
26.22 mi16:19:395:02:0811:3212:13
11:59
-2:16

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

9:47 /mi

Average Pace

11:32 /mi

Slowest Pace

14:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:51

53% of race

Time at Steady Pace

1:45:00

35% of race

Time at Slower Pace

37:17

12% of race

Average Pace: 11:31 /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 mi11:49:3031:5910:1831:59
10:18
#24208
10K
6.21 mi12:19:541:02:2310:0230:24
9:47
#23706
15K
9.32 mi12:51:461:34:1510:0731:52
10:15
#23820
20K
12.43 mi13:23:332:06:0210:0831:47
10:14
#23722
Half
13.11 mi13:30:242:12:5310:086:51
10:02
#23694
25K
15.53 mi13:57:222:39:5110:1726:58
11:07
#23756
30K
18.64 mi14:37:123:19:4110:4339:50
12:49
#24185
20M
20.00 mi14:55:043:37:3310:5317:52
13:09
#24337
21M
21.00 mi15:10:033:52:3211:0414:59
14:59
#24477
35K
21.75 mi15:20:064:02:3511:0910:03
13:26
#24583
23M
23.00 mi15:37:294:19:5811:1817:23
13:53
#24711
24M
24.00 mi15:51:054:33:3411:2413:36
13:36
#24816
40K
24.85 mi16:02:314:45:0011:2811:26
13:22
#24863
25.2M
25.20 mi16:07:264:49:5511:304:55
14:15
#24886
Finish
26.22 mi16:19:395:02:0811:3212:13
11:59
#24916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24208141951419523996(Top 90%)14088(Top 93%)14088(Top 626%)
10K6.21 mi3.10 mi23706+50213952+24313952+24323237(Top 87%)13748(Top 91%)13748(Top 610%)
15K9.32 mi3.11 mi23820-11414007-5514007-5523996(Top 90%)14088(Top 93%)14088(Top 626%)
20K12.43 mi3.11 mi23722+9813970+3713970+3723345(Top 88%)13787(Top 91%)13787(Top 612%)
Half13.11 mi0.68 mi23694+2813952+1813952+1823356(Top 88%)13793(Top 91%)13793(Top 612%)
25K15.53 mi2.42 mi23756-6213969-1713969-1724157(Top 91%)14100(Top 93%)14100(Top 626%)
30K18.64 mi3.11 mi24185-42914131-16214131-16225270(Top 95%)14527(Top 96%)14527(Top 645%)
20M20.00 mi1.36 mi24337-15214193-6214193-6225284(Top 95%)14515(Top 96%)14515(Top 645%)
21M21.00 mi1.00 mi24477-14014252-5914252-5925707(Top 97%)14730(Top 97%)14730(Top 654%)
35K21.75 mi0.75 mi24583-10614293-4114293-4125830(Top 97%)14751(Top 97%)14751(Top 655%)
23M23.00 mi1.25 mi24711-12814338-4514338-4525752(Top 97%)14707(Top 97%)14707(Top 653%)
24M24.00 mi1.00 mi24816-10514370-3214370-3225863(Top 97%)14741(Top 97%)14741(Top 655%)
40K24.85 mi0.85 mi24863-4714384-1414384-1425252(Top 95%)14431(Top 95%)14431(Top 641%)
25.2M25.20 mi0.35 mi24886-2314392-814392-825189(Top 95%)14381(Top 95%)14381(Top 639%)
Finish26.22 mi1.02 mi24916-3014401-914401-925218(Top 95%)14415(Top 95%)14415(Top 640%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23996

Males

14088

M45-49

14088

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23237

Males

13748

M45-49

13748

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23996

Males

14088

M45-49

14088

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23345

Males

13787

M45-49

13787

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23356

Males

13793

M45-49

13793

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24157

Males

14100

M45-49

14100

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25270

Males

14527

M45-49

14527

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25284

Males

14515

M45-49

14515

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25707

Males

14730

M45-49

14730

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25830

Males

14751

M45-49

14751

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25752

Males

14707

M45-49

14707

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25863

Males

14741

M45-49

14741

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25252

Males

14431

M45-49

14431

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25189

Males

14381

M45-49

14381

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25218

Males

14415

M45-49

14415

Passing Analysis

Category:
Athletes Passed
987
Passed By
1695
Net Change
-708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24208
5K → 10K55654+502#24208#23706
10K → 15K80194-114#23706#23820
15K → 20K16466+98#23820#23722
20K → Half357+28#23722#23694
Half → 25K60122-62#23694#23756
25K → 30K23452-429#23756#24185
30K → 20M15167-152#24185#24337
20M → 21M9149-140#24337#24477
21M → 35K4110-106#24477#24583
35K → 23M14142-128#24583#24711
23M → 24M3108-105#24711#24816
24M → 40K1360-47#24816#24863
40K → 25.2M326-23#24863#24886
25.2M → Finish838-30#24886#24916
TOTALS9871695-708
📊

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