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BOSTON MARATHON 2024

Xiangmi Shi

Bib: 7248•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 39%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 41%
Division (M50-54)
#0 / 1935
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #8075
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
44:50
Rank: #8243 (-168)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:07:48
Rank: #8397 (-154)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:31:15
Rank: #8434 (-37)
15K → 20K
23:27 | 7:33/mi
Half· 13.11 mi
1:36:20
Rank: #8454 (-20)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:22
Rank: #8526 (-72)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:23:02
Rank: #9341 (-815)
25K → 30K
27:40 | 8:54/mi
20M
2:34:42
Rank: #9338 (+3)
30K → 20M
11:40 | 8:35/mi
21M
2:45:31
Rank: #9817 (-479)
20M → 21M
10:49 | 10:49/mi
35K· 21.75 mi
2:51:43
Rank: #9774 (+43)
21M → 35K
6:12 | 8:17/mi
23M
3:03:18
Rank: #9916 (-142)
35K → 23M
11:35 | 9:15/mi
24M
3:12:08
Rank: #9950 (-34)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:19:56
Rank: #10010 (-60)
24M → 40K
7:48 | 9:07/mi
25.2M
3:23:16
Rank: #9976 (+34)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:31:48
Rank: #9995 (-19)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:20
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:55:28
Pace8:48 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4522:147:0922:14
7:09
-
10K
6.21 mi10:53:2144:507:1322:36
7:16
+0:07
15K
9.32 mi11:16:191:07:487:1622:58
7:24
+0:08
20K
12.43 mi11:39:461:31:157:2123:27
7:33
+0:09
Half
13.11 mi11:44:511:36:207:215:05
7:27
-0:06
25K
15.53 mi12:03:531:55:227:2619:02
7:51
+0:24
30K
18.64 mi12:31:332:23:027:4027:40
8:54
+1:03
20M
20.00 mi12:43:132:34:427:4411:40
8:35
-0:19
21M
21.00 mi12:54:022:45:317:5310:49
10:49
+2:14
35K
21.75 mi13:00:142:51:437:546:12
8:17
-2:32
23M
23.00 mi13:11:493:03:187:5811:35
9:15
+0:58
24M
24.00 mi13:20:393:12:088:008:50
8:50
-0:25
40K
24.85 mi13:28:273:19:568:037:48
9:07
+0:17
25.2M
25.20 mi13:31:473:23:168:043:20
9:40
+0:33
Finish
26.22 mi13:40:193:31:488:058:32
8:22
-1:18

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

7:09 /mi

Average Pace

8:05 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:22

54% of race

Time at Steady Pace

35:14

17% of race

Time at Slower Pace

1:01:12

29% of race

Average Pace: 8:05 /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 mi10:30:4522:147:0922:14
7:09
#8075
10K
6.21 mi10:53:2144:507:1322:36
7:16
#8243
15K
9.32 mi11:16:191:07:487:1622:58
7:24
#8397
20K
12.43 mi11:39:461:31:157:2123:27
7:33
#8434
Half
13.11 mi11:44:511:36:207:215:05
7:27
#8454
25K
15.53 mi12:03:531:55:227:2619:02
7:51
#8526
30K
18.64 mi12:31:332:23:027:4027:40
8:54
#9341
20M
20.00 mi12:43:132:34:427:4411:40
8:35
#9338
21M
21.00 mi12:54:022:45:317:5310:49
10:49
#9817
35K
21.75 mi13:00:142:51:437:546:12
8:17
#9774
23M
23.00 mi13:11:493:03:187:5811:35
9:15
#9916
24M
24.00 mi13:20:393:12:088:008:50
8:50
#9950
40K
24.85 mi13:28:273:19:568:037:48
9:07
#10010
25.2M
25.20 mi13:31:473:23:168:043:20
9:40
#9976
Finish
26.22 mi13:40:193:31:488:058:32
8:22
#9995
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8075686668668829(Top 35%)7196(Top 49%)7196(Top 372%)
10K6.21 mi3.10 mi8243-1686924-586924-588457(Top 33%)7020(Top 48%)7020(Top 363%)
15K9.32 mi3.11 mi8397-1546998-746998-748829(Top 35%)7196(Top 49%)7196(Top 372%)
20K12.43 mi3.11 mi8434-376994+46994+48710(Top 34%)7012(Top 48%)7012(Top 362%)
Half13.11 mi0.68 mi8454-206995-16995-18725(Top 34%)7033(Top 48%)7033(Top 363%)
25K15.53 mi2.42 mi8526-72699569959241(Top 36%)7101(Top 49%)7101(Top 367%)
30K18.64 mi3.11 mi9341-8157342-3477342-34712763(Top 50%)8586(Top 59%)8586(Top 444%)
20M20.00 mi1.36 mi9338+37286+567286+569897(Top 39%)6984(Top 48%)6984(Top 361%)
21M21.00 mi1.00 mi9817-4797462-1767462-17615791(Top 62%)9534(Top 65%)9534(Top 493%)
35K21.75 mi0.75 mi9774+437396+667396+669456(Top 37%)6487(Top 44%)6487(Top 335%)
23M23.00 mi1.25 mi9916-1427402-67402-612364(Top 48%)7746(Top 53%)7746(Top 400%)
24M24.00 mi1.00 mi9950-347380+227380+2211264(Top 44%)7190(Top 49%)7190(Top 372%)
40K24.85 mi0.85 mi10010-607372+87372+811413(Top 45%)7134(Top 49%)7134(Top 369%)
25.2M25.20 mi0.35 mi9976+347336+367336+369408(Top 37%)6039(Top 41%)6039(Top 312%)
Finish26.22 mi1.02 mi9995-197296+407296+4010774(Top 42%)6879(Top 47%)6879(Top 356%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

8829

Males

7196

M50-54

7196

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8457

Males

7020

M50-54

7020

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

8829

Males

7196

M50-54

7196

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8710

Males

7012

M50-54

7012

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8725

Males

7033

M50-54

7033

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9241

Males

7101

M50-54

7101

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12763

Males

8586

M50-54

8586

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

9897

Males

6984

M50-54

6984

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

15791

Males

9534

M50-54

9534

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9456

Males

6487

M50-54

6487

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12364

Males

7746

M50-54

7746

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11264

Males

7190

M50-54

7190

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11413

Males

7134

M50-54

7134

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9408

Males

6039

M50-54

6039

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

10774

Males

6879

M50-54

6879

Passing Analysis

Category:
Athletes Passed
1453*
Passed By
3371
Net Change
-1920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8075
5K → 10K171339-168#8075#8243
10K → 15K129283-154#8243#8397
15K → 20K182219-37#8397#8434
20K → Half3050-20#8434#8454
Half → 25K174246-72#8454#8526
25K → 30K90905-815#8526#9341
30K → 20M144141+3#9341#9338
20M → 21M33511-479#9338#9817
21M → 35K10360+43#9817#9774
35K → 23M102244-142#9774#9916
23M → 24M89*123-34#9916#9950
24M → 40K70129-60#9950#10010
40K → 25.2M56*22+34#10010#9976
25.2M → Finish8099-19#9976#9995
TOTALS1453*3371-1920

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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