Boston Marathon logo
BOSTON MARATHON 2024

Brian Andzejewicz

Bib: 5619•M

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Masters (Masters Men)
#0 / 9729
Top 5%
Division (M45-49)
#0 / 2218
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:26
Rank: #3819
Start → 5K
6:35/mi
20:26 split
10K· 6.21 mi
40:54
Rank: #3636 (+183)
5K → 10K
6:35/mi
20:28 split
15K· 9.32 mi
1:01:41
Rank: #3699 (-63)
10K → 15K
6:41/mi
20:47 split
20K· 12.43 mi
1:23:01
Rank: #3794 (-95)
15K → 20K
6:52/mi
21:20 split
Half· 13.11 mi
1:27:31
Rank: #3757 (+37)
20K → Half
6:36/mi
4:30 split
25K· 15.53 mi
1:43:45
Rank: #3493 (+264)
Half → 25K
6:42/mi
16:14 split
30K· 18.64 mi
2:04:52
Rank: #3064 (+429)
25K → 30K
6:48/mi
21:07 split
20M
2:13:57
Rank: #2818 (+246)
30K → 20M
6:41/mi
9:05 split
21M
2:20:59
Rank: #2621 (+197)
20M → 21M
7:02/mi
7:02 split
35K· 21.75 mi
2:25:47
Rank: #2501 (+120)
21M → 35K
6:25/mi
4:48 split
23M
2:34:13
Rank: #2341 (+160)
35K → 23M
6:44/mi
8:26 split
24M
2:40:57
Rank: #2241 (+100)
23M → 24M
6:44/mi
6:44 split
40K· 24.85 mi
2:46:48
Rank: #2156 (+85)
24M → 40K
6:51/mi
5:51 split
25.2M
2:49:14
Rank: #2101 (+55)
40K → 25.2M
7:03/mi
2:26 split
Finish· 26.22 mi
2:56:02
Rank: #2054 (+47)
25.2M → Finish
6:40/mi
6:48 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:31
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:28:31
Pace6:45 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3120:266:3520:26
6:35
-
10K
6.21 mi10:44:5940:546:3520:28
6:35
0:00
15K
9.32 mi11:05:461:01:416:3720:47
6:41
+0:06
20K
12.43 mi11:27:061:23:016:4121:20
6:52
+0:11
Half
13.11 mi11:31:361:27:316:414:30
6:36
-0:16
25K
15.53 mi11:47:501:43:456:4116:14
6:42
+0:06
30K
18.64 mi12:08:572:04:526:4221:07
6:48
+0:06
20M
20.00 mi12:18:022:13:576:429:05
6:41
-0:07
21M
21.00 mi12:25:042:20:596:437:02
7:02
+0:21
35K
21.75 mi12:29:522:25:476:424:48
6:25
-0:37
23M
23.00 mi12:38:182:34:136:428:26
6:44
+0:19
24M
24.00 mi12:45:022:40:576:426:44
6:44
0:00
40K
24.85 mi12:50:532:46:486:435:51
6:51
+0:07
25.2M
25.20 mi12:53:192:49:146:432:26
7:03
+0:12
Finish
26.22 mi13:00:072:56:026:436:48
6:40
-0:23

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

6:25 /mi

Average Pace

6:43 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:16

67% of race

Time at Steady Pace

57:46

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:24:3120:266:3520:26
6:35
#3819
10K
6.21 mi10:44:5940:546:3520:28
6:35
#3636
15K
9.32 mi11:05:461:01:416:3720:47
6:41
#3699
20K
12.43 mi11:27:061:23:016:4121:20
6:52
#3794
Half
13.11 mi11:31:361:27:316:414:30
6:36
#3757
25K
15.53 mi11:47:501:43:456:4116:14
6:42
#3493
30K
18.64 mi12:08:572:04:526:4221:07
6:48
#3064
20M
20.00 mi12:18:022:13:576:429:05
6:41
#2818
21M
21.00 mi12:25:042:20:596:437:02
7:02
#2621
35K
21.75 mi12:29:522:25:476:424:48
6:25
#2501
23M
23.00 mi12:38:182:34:136:428:26
6:44
#2341
24M
24.00 mi12:45:022:40:576:426:44
6:44
#2241
40K
24.85 mi12:50:532:46:486:435:51
6:51
#2156
25.2M
25.20 mi12:53:192:49:146:432:26
7:03
#2101
Finish
26.22 mi13:00:072:56:026:436:48
6:40
#2054
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3819361636163826(Top 15%)3601(Top 25%)3601(Top 162%)
10K6.21 mi3.10 mi3636+1833450+1663450+1663516(Top 14%)3331(Top 23%)3331(Top 150%)
15K9.32 mi3.11 mi3699-633506-563506-563826(Top 15%)3601(Top 25%)3601(Top 162%)
20K12.43 mi3.11 mi3794-953592-863592-864354(Top 17%)4037(Top 28%)4037(Top 182%)
Half13.11 mi0.68 mi3757+373558+343558+343087(Top 12%)2931(Top 20%)2931(Top 132%)
25K15.53 mi2.42 mi3493+2643311+2473311+2472589(Top 10%)2457(Top 17%)2457(Top 111%)
30K18.64 mi3.11 mi3064+4292906+4052906+4051925(Top 8%)1823(Top 13%)1823(Top 82%)
20M20.00 mi1.36 mi2818+2462673+2332673+2331298(Top 5%)1232(Top 8%)1232(Top 56%)
21M21.00 mi1.00 mi2621+1972489+1842489+1841169(Top 5%)1106(Top 8%)1106(Top 50%)
35K21.75 mi0.75 mi2501+1202377+1122377+1121084(Top 4%)1025(Top 7%)1025(Top 46%)
23M23.00 mi1.25 mi2341+1602227+1502227+1501145(Top 4%)1077(Top 7%)1077(Top 49%)
24M24.00 mi1.00 mi2241+1002129+982129+981474(Top 6%)1367(Top 9%)1367(Top 62%)
40K24.85 mi0.85 mi2156+852048+812048+811416(Top 6%)1300(Top 9%)1300(Top 59%)
25.2M25.20 mi0.35 mi2101+551997+511997+51672(Top 3%)620(Top 4%)620(Top 28%)
Finish26.22 mi1.02 mi2054+471951+461951+461898(Top 7%)1669(Top 11%)1669(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3826

Males

3601

M45-49

3601

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3516

Males

3331

M45-49

3331

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3826

Males

3601

M45-49

3601

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4354

Males

4037

M45-49

4037

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3087

Males

2931

M45-49

2931

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2589

Males

2457

M45-49

2457

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

1925

Males

1823

M45-49

1823

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1298

Males

1232

M45-49

1232

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1169

Males

1106

M45-49

1106

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1084

Males

1025

M45-49

1025

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1145

Males

1077

M45-49

1077

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1474

Males

1367

M45-49

1367

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1416

Males

1300

M45-49

1300

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

672

Males

620

M45-49

620

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1898

Males

1669

M45-49

1669

Passing Analysis

Category:
Athletes Passed
2274
Passed By
509
Net Change
+1765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3819
5K → 10K25875+183#3819#3636
10K → 15K99162-63#3636#3699
15K → 20K113208-95#3699#3794
20K → Half469+37#3794#3757
Half → 25K27814+264#3757#3493
25K → 30K43910+429#3493#3064
30K → 20M2471+246#3064#2818
20M → 21M1992+197#2818#2621
21M → 35K1200+120#2621#2501
35K → 23M1622+160#2501#2341
23M → 24M1077+100#2341#2241
24M → 40K905+85#2241#2156
40K → 25.2M550+55#2156#2101
25.2M → Finish6114+47#2101#2054
TOTALS2274509+1765
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing