Boston Marathon logo
BOSTON MARATHON 2023

Daniel Milton

MA

Bib: 17500 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:21/mi
25:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:19/mi
51:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:19/mi
1:17:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:37/mi
1:44:21
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:27/mi
1:50:07
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:35/mi
2:10:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:07/mi
2:39:14
↑ 181↓ 1480.2%
138 ft elev
20M
9:07/mi
2:51:38
↑ 64↓ 500.2%
148 ft elev
21M
9:44/mi
3:01:22
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:59/mi
3:08:05
↑ 17↓ 861.7%
156 ft elev
23M
8:58/mi
3:19:18
↑ 23↓ 630.6%
116 ft elev
24M
8:33/mi
3:27:51
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:05/mi
3:35:37
↓ 200.3%
20 ft elev
25.2M
9:43/mi
3:38:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:42/mi
3:47:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:57:43
Pace8:59 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4425:578:2125:57
8:21
-
10K
6.21 mi11:42:3351:468:2025:49
8:19
-0:02
15K
9.32 mi12:08:221:17:358:1925:49
8:19
0:00
20K
12.43 mi12:35:081:44:218:2426:46
8:37
+0:18
Half
13.11 mi12:40:541:50:078:245:46
8:27
-0:10
25K
15.53 mi13:01:422:10:558:2620:48
8:35
+0:08
30K
18.64 mi13:30:012:39:148:3328:19
9:07
+0:32
20M
20.00 mi13:42:252:51:388:3512:24
9:07
0:00
21M
21.00 mi13:52:093:01:228:389:44
9:44
+0:37
35K
21.75 mi13:58:523:08:058:396:43
8:59
-0:45
23M
23.00 mi14:10:053:19:188:4011:13
8:58
-0:01
24M
24.00 mi14:18:383:27:518:408:33
8:33
-0:25
40K
24.85 mi14:26:243:35:378:417:46
9:05
+0:32
25.2M
25.20 mi14:29:453:38:588:413:21
9:43
+0:38
Finish
26.22 mi14:38:373:47:508:428:52
8:42
-1:01

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

8:19 /mi

Average Pace

8:42 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:45

94% of race

Time at Steady Pace

13:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:16:4425:578:2125:57
8:21
#16509
10K
6.21 mi11:42:3351:468:2025:49
8:19
#16717
15K
9.32 mi12:08:221:17:358:1925:49
8:19
#16687
20K
12.43 mi12:35:081:44:218:2426:46
8:37
#16911
Half
13.11 mi12:40:541:50:078:245:46
8:27
#16947
25K
15.53 mi13:01:422:10:558:2620:48
8:35
#16905
30K
18.64 mi13:30:012:39:148:3328:19
9:07
#17013
20M
20.00 mi13:42:252:51:388:3512:24
9:07
#17007
21M
21.00 mi13:52:093:01:228:389:44
9:44
#17003
35K
21.75 mi13:58:523:08:058:396:43
8:59
#17041
23M
23.00 mi14:10:053:19:188:4011:13
8:58
#16962
24M
24.00 mi14:18:383:27:518:408:33
8:33
#16883
40K
24.85 mi14:26:243:35:378:417:46
9:05
#16840
25.2M
25.20 mi14:29:453:38:588:413:21
9:43
#16838
Finish
26.22 mi14:38:373:47:508:428:52
8:42
#16820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16509108831088316591(Top 62%)10912(Top 72%)10912(Top 767%)
10K6.21 mi3.10 mi16717-20810976-9310976-9316986(Top 64%)11100(Top 73%)11100(Top 781%)
15K9.32 mi3.11 mi16687+3010946+3010946+3016591(Top 62%)10912(Top 72%)10912(Top 767%)
20K12.43 mi3.11 mi16911-22411018-7211018-7217584(Top 66%)11284(Top 74%)11284(Top 794%)
Half13.11 mi0.68 mi16947-3611030-1211030-1217419(Top 65%)11253(Top 74%)11253(Top 791%)
25K15.53 mi2.42 mi16905+4210988+4210988+4216675(Top 63%)10837(Top 71%)10837(Top 762%)
30K18.64 mi3.11 mi17013-10811023-3511023-3517760(Top 67%)11237(Top 74%)11237(Top 790%)
20M20.00 mi1.36 mi17007+611011+1211011+1217177(Top 65%)10885(Top 72%)10885(Top 765%)
21M21.00 mi1.00 mi17003+410991+2010991+2016965(Top 64%)10777(Top 71%)10777(Top 758%)
35K21.75 mi0.75 mi17041-3810998-710998-717794(Top 67%)11050(Top 73%)11050(Top 777%)
23M23.00 mi1.25 mi16962+7910941+5710941+5715831(Top 59%)10163(Top 67%)10163(Top 715%)
24M24.00 mi1.00 mi16883+7910891+5010891+5014758(Top 55%)9649(Top 64%)9649(Top 679%)
40K24.85 mi0.85 mi16840+4310850+4110850+4116552(Top 62%)10377(Top 68%)10377(Top 730%)
25.2M25.20 mi0.35 mi16838+2108501085016131(Top 61%)10175(Top 67%)10175(Top 716%)
Finish26.22 mi1.02 mi16820+1810830+2010830+2016477(Top 62%)10374(Top 68%)10374(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16591

Males

10912

M55-59

10912

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16986

Males

11100

M55-59

11100

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16591

Males

10912

M55-59

10912

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17584

Males

11284

M55-59

11284

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17419

Males

11253

M55-59

11253

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16675

Males

10837

M55-59

10837

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17760

Males

11237

M55-59

11237

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17177

Males

10885

M55-59

10885

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16965

Males

10777

M55-59

10777

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17794

Males

11050

M55-59

11050

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15831

Males

10163

M55-59

10163

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14758

Males

9649

M55-59

9649

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16552

Males

10377

M55-59

10377

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16131

Males

10175

M55-59

10175

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16477

Males

10374

M55-59

10374

Passing Analysis

Category:
Athletes Passed
1452
Passed By
1763
Net Change
-311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16509
5K → 10K213421-208#16509#16717
10K → 15K226196+30#16717#16687
15K → 20K111335-224#16687#16911
20K → Half1450-36#16911#16947
Half → 25K13795+42#16947#16905
25K → 30K141249-108#16905#17013
30K → 20M8276+6#17013#17007
20M → 21M8884+4#17007#17003
21M → 35K3573-38#17003#17041
35K → 23M11839+79#17041#16962
23M → 24M10021+79#16962#16883
24M → 40K7431+43#16883#16840
40K → 25.2M3028+2#16840#16838
25.2M → Finish8365+18#16838#16820
TOTALS14521763-311
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing