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BOSTON MARATHON 2024

Xizhen Lu

Bib: 23228•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M70-74)
#0 / 195
Top 15%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:47/mi
27:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
55:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:22:49
↑ 67↓ 78
20K· 12.43 mi
9:20/mi
1:51:48
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:58:06
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:20:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:46/mi
2:50:49
↑ 181↓ 1480.2%
20M
9:33/mi
3:03:47
↑ 64↓ 500.2%
21M
10:48/mi
3:14:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:47/mi
3:21:54
↑ 17↓ 861.7%
23M
10:29/mi
3:35:02
↑ 23↓ 630.6%
24M
10:12/mi
3:45:14
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:54:00
↓ 200.3%
25.2M
11:36/mi
3:58:00
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:08:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:06
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:10:09
Pace9:56 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4627:188:4727:18
8:47
-
10K
6.21 mi11:55:5255:248:5528:06
9:03
+0:16
15K
9.32 mi12:23:171:22:498:5327:25
8:49
-0:14
20K
12.43 mi12:52:161:51:489:0028:59
9:20
+0:31
Half
13.11 mi12:58:341:58:069:016:18
9:14
-0:06
25K
15.53 mi13:20:552:20:279:0222:21
9:13
-0:01
30K
18.64 mi13:51:172:50:499:1030:22
9:46
+0:33
20M
20.00 mi14:04:153:03:479:1112:58
9:33
-0:13
21M
21.00 mi14:15:033:14:359:1610:48
10:48
+1:15
35K
21.75 mi14:22:223:21:549:177:19
9:47
-1:01
23M
23.00 mi14:35:303:35:029:2113:08
10:29
+0:42
24M
24.00 mi14:45:423:45:149:2310:12
10:12
-0:17
40K
24.85 mi14:54:283:54:009:258:46
10:15
+0:03
25.2M
25.20 mi14:58:283:58:009:274:00
11:36
+1:21
Finish
26.22 mi15:08:434:08:159:2910:15
10:04
-1:32

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

8:47 /mi

Average Pace

9:29 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:27

57% of race

Time at Steady Pace

1:00:54

25% of race

Time at Slower Pace

46:54

19% of race

Average Pace: 9:28 /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 mi11:27:4627:188:4727:18
8:47
#19212
10K
6.21 mi11:55:5255:248:5528:06
9:03
#19545
15K
9.32 mi12:23:171:22:498:5327:25
8:49
#19062
20K
12.43 mi12:52:161:51:489:0028:59
9:20
#18937
Half
13.11 mi12:58:341:58:069:016:18
9:14
#18946
25K
15.53 mi13:20:552:20:279:0222:21
9:13
#18498
30K
18.64 mi13:51:172:50:499:1030:22
9:46
#18100
20M
20.00 mi14:04:153:03:479:1112:58
9:33
#17842
21M
21.00 mi14:15:033:14:359:1610:48
10:48
#17719
35K
21.75 mi14:22:223:21:549:177:19
9:47
#17670
23M
23.00 mi14:35:303:35:029:2113:08
10:29
#17600
24M
24.00 mi14:45:423:45:149:2310:12
10:12
#17588
40K
24.85 mi14:54:283:54:009:258:46
10:15
#17507
25.2M
25.20 mi14:58:283:58:009:274:00
11:36
#17464
Finish
26.22 mi15:08:434:08:159:2910:15
10:04
#17468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi19212116921169218079(Top 71%)11282(Top 77%)11282(Top 5786%)
10K6.21 mi3.10 mi19545-33311888-19611888-19619900(Top 78%)12079(Top 83%)12079(Top 6194%)
15K9.32 mi3.11 mi19062+48311684+20411684+20418079(Top 71%)11282(Top 77%)11282(Top 5786%)
20K12.43 mi3.11 mi18937+12511642+4211642+4218628(Top 73%)11522(Top 79%)11522(Top 5909%)
Half13.11 mi0.68 mi18946-911639+311639+319178(Top 75%)11696(Top 80%)11696(Top 5998%)
25K15.53 mi2.42 mi18498+44811421+21811421+21816486(Top 65%)10471(Top 72%)10471(Top 5370%)
30K18.64 mi3.11 mi18100+39811169+25211169+25216535(Top 65%)10241(Top 70%)10241(Top 5252%)
20M20.00 mi1.36 mi17842+25811030+13911030+13914701(Top 58%)9175(Top 63%)9175(Top 4705%)
21M21.00 mi1.00 mi17719+12310940+9010940+9015760(Top 62%)9528(Top 65%)9528(Top 4886%)
35K21.75 mi0.75 mi17670+4910909+3110909+3116474(Top 64%)9844(Top 68%)9844(Top 5048%)
23M23.00 mi1.25 mi17600+7010852+5710852+5717014(Top 67%)10059(Top 69%)10059(Top 5158%)
24M24.00 mi1.00 mi17588+1210825+2710825+2716955(Top 66%)9990(Top 69%)9990(Top 5123%)
40K24.85 mi0.85 mi17507+8110751+7410751+7415883(Top 62%)9409(Top 65%)9409(Top 4825%)
25.2M25.20 mi0.35 mi17464+4310720+3110720+3116300(Top 64%)9584(Top 66%)9584(Top 4915%)
Finish26.22 mi1.02 mi17468-410695+2510695+2518584(Top 73%)10765(Top 74%)10765(Top 5521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18079

Males

11282

M70-74

11282

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19900

Males

12079

M70-74

12079

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18079

Males

11282

M70-74

11282

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

18628

Males

11522

M70-74

11522

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19178

Males

11696

M70-74

11696

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

16486

Males

10471

M70-74

10471

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

16535

Males

10241

M70-74

10241

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14701

Males

9175

M70-74

9175

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15760

Males

9528

M70-74

9528

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16474

Males

9844

M70-74

9844

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17014

Males

10059

M70-74

10059

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16955

Males

9990

M70-74

9990

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15883

Males

9409

M70-74

9409

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16300

Males

9584

M70-74

9584

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18584

Males

10765

M70-74

10765

Passing Analysis

Category:
Athletes Passed
2911
Passed By
1167
Net Change
+1744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19212
5K → 10K134467-333#19212#19545
10K → 15K53047+483#19545#19062
15K → 20K315190+125#19062#18937
20K → Half4049-9#18937#18946
Half → 25K46820+448#18946#18498
25K → 30K46567+398#18498#18100
30K → 20M2646+258#18100#17842
20M → 21M16542+123#17842#17719
21M → 35K9041+49#17719#17670
35K → 23M14171+70#17670#17600
23M → 24M7058+12#17600#17588
24M → 40K11029+81#17588#17507
40K → 25.2M5512+43#17507#17464
25.2M → Finish6468-4#17464#17468
TOTALS29111167+1744
📊

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