Boston Marathon logo
BOSTON MARATHON 2023

Marcio Junior

Bib: 1388•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M50-54)
#0 / 2052
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:26
Rank: #2694
Start → 5K
6:35/mi
20:26 split
10K· 6.21 mi
40:15
Rank: #2367 (+327)
5K → 10K
6:23/mi
19:49 split
15K· 9.32 mi
1:00:16
Rank: #2360 (+7)
10K → 15K
6:27/mi
20:01 split
20K· 12.43 mi
1:20:38
Rank: #2382 (-22)
15K → 20K
6:33/mi
20:22 split
Half· 13.11 mi
1:25:06
Rank: #2412 (-30)
20K → Half
6:33/mi
4:28 split
25K· 15.53 mi
1:40:50
Rank: #2369 (+43)
Half → 25K
6:29/mi
15:44 split
30K· 18.64 mi
2:01:28
Rank: #2309 (+60)
25K → 30K
6:38/mi
20:38 split
20M
2:10:15
Rank: #2205 (+104)
30K → 20M
6:28/mi
8:47 split
21M
2:17:04
Rank: #2135 (+70)
20M → 21M
6:49/mi
6:49 split
35K· 21.75 mi
2:21:49
Rank: #2116 (+19)
21M → 35K
6:21/mi
4:45 split
23M
2:29:57
Rank: #2027 (+89)
35K → 23M
6:30/mi
8:08 split
24M
2:36:12
Rank: #1967 (+60)
23M → 24M
6:15/mi
6:15 split
40K· 24.85 mi
2:41:42
Rank: #1916 (+51)
24M → 40K
6:26/mi
5:30 split
25.2M
2:44:05
Rank: #1894 (+22)
40K → 25.2M
6:55/mi
2:23 split
Finish· 26.22 mi
2:50:32
Rank: #1866 (+28)
25.2M → Finish
6:20/mi
6:27 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 Half⚖️ Balanced
Distance13.11 mi
Time1:25:06
Pace6:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:26
Pace6:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3520:266:3520:26
6:35
-
10K
6.21 mi10:43:2440:156:2919:49
6:23
-0:12
15K
9.32 mi11:03:251:00:166:2820:01
6:27
+0:04
20K
12.43 mi11:23:471:20:386:2920:22
6:33
+0:06
Half
13.11 mi11:28:151:25:066:294:28
6:33
0:00
25K
15.53 mi11:43:591:40:506:2915:44
6:29
-0:04
30K
18.64 mi12:04:372:01:286:3120:38
6:38
+0:09
20M
20.00 mi12:13:242:10:156:318:47
6:28
-0:10
21M
21.00 mi12:20:132:17:046:326:49
6:49
+0:21
35K
21.75 mi12:24:582:21:496:314:45
6:21
-0:28
23M
23.00 mi12:33:062:29:576:318:08
6:30
+0:09
24M
24.00 mi12:39:212:36:126:316:15
6:15
-0:15
40K
24.85 mi12:44:512:41:426:305:30
6:26
+0:11
25.2M
25.20 mi12:47:142:44:056:312:23
6:55
+0:29
Finish
26.22 mi12:53:412:50:326:316:27
6:20
-0:35

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

6:15 /mi

Average Pace

6:31 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:09

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:23:3520:266:3520:26
6:35
#2694
10K
6.21 mi10:43:2440:156:2919:49
6:23
#2367
15K
9.32 mi11:03:251:00:166:2820:01
6:27
#2360
20K
12.43 mi11:23:471:20:386:2920:22
6:33
#2382
Half
13.11 mi11:28:151:25:066:294:28
6:33
#2412
25K
15.53 mi11:43:591:40:506:2915:44
6:29
#2369
30K
18.64 mi12:04:372:01:286:3120:38
6:38
#2309
20M
20.00 mi12:13:242:10:156:318:47
6:28
#2205
21M
21.00 mi12:20:132:17:046:326:49
6:49
#2135
35K
21.75 mi12:24:582:21:496:314:45
6:21
#2116
23M
23.00 mi12:33:062:29:576:318:08
6:30
#2027
24M
24.00 mi12:39:212:36:126:316:15
6:15
#1967
40K
24.85 mi12:44:512:41:426:305:30
6:26
#1916
25.2M
25.20 mi12:47:142:44:056:312:23
6:55
#1894
Finish
26.22 mi12:53:412:50:326:316:27
6:20
#1866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2694256525652319(Top 9%)2226(Top 15%)2226(Top 108%)
10K6.21 mi3.10 mi2367+3272259+3062259+3062123(Top 8%)2034(Top 13%)2034(Top 99%)
15K9.32 mi3.11 mi2360+7225922592319(Top 9%)2226(Top 15%)2226(Top 108%)
20K12.43 mi3.11 mi2382-222282-232282-232583(Top 10%)2471(Top 16%)2471(Top 120%)
Half13.11 mi0.68 mi2412-302311-292311-293013(Top 11%)2878(Top 19%)2878(Top 140%)
25K15.53 mi2.42 mi2369+432273+382273+382111(Top 8%)2024(Top 13%)2024(Top 99%)
30K18.64 mi3.11 mi2309+602215+582215+582140(Top 8%)2043(Top 13%)2043(Top 100%)
20M20.00 mi1.36 mi2205+1042115+1002115+1001330(Top 5%)1269(Top 8%)1269(Top 62%)
21M21.00 mi1.00 mi2135+702045+702045+701462(Top 5%)1394(Top 9%)1394(Top 68%)
35K21.75 mi0.75 mi2116+192029+162029+161750(Top 7%)1663(Top 11%)1663(Top 81%)
23M23.00 mi1.25 mi2027+891943+861943+861414(Top 5%)1342(Top 9%)1342(Top 65%)
24M24.00 mi1.00 mi1967+601884+591884+591204(Top 5%)1141(Top 8%)1141(Top 56%)
40K24.85 mi0.85 mi1916+511832+521832+521326(Top 5%)1253(Top 8%)1253(Top 61%)
25.2M25.20 mi0.35 mi1894+221810+221810+221473(Top 6%)1390(Top 9%)1390(Top 68%)
Finish26.22 mi1.02 mi1866+281784+261784+261732(Top 7%)1628(Top 11%)1628(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2319

Males

2226

M50-54

2226

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2123

Males

2034

M50-54

2034

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2319

Males

2226

M50-54

2226

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2583

Males

2471

M50-54

2471

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3013

Males

2878

M50-54

2878

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2111

Males

2024

M50-54

2024

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2140

Males

2043

M50-54

2043

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1330

Males

1269

M50-54

1269

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1462

Males

1394

M50-54

1394

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1750

Males

1663

M50-54

1663

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1414

Males

1342

M50-54

1342

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1204

Males

1141

M50-54

1141

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1326

Males

1253

M50-54

1253

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1473

Males

1390

M50-54

1390

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1732

Males

1628

M50-54

1628

Passing Analysis

Category:
Athletes Passed
1145
Passed By
317
Net Change
+828
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2694
5K → 10K35831+327#2694#2367
10K → 15K8477+7#2367#2360
15K → 20K5173-22#2360#2382
20K → Half333-30#2382#2412
Half → 25K6724+43#2412#2369
25K → 30K9535+60#2369#2309
30K → 20M1051+104#2309#2205
20M → 21M788+70#2205#2135
21M → 35K267+19#2135#2116
35K → 23M956+89#2116#2027
23M → 24M655+60#2027#1967
24M → 40K543+51#1967#1916
40K → 25.2M231+22#1916#1894
25.2M → Finish4113+28#1894#1866
TOTALS1145317+828
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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