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BOSTON MARATHON 2023

Timothy Fields

Bib: 3154•M

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #2182
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:18
Rank: #2427 (-245)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
59:59
Rank: #2180 (+247)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:19:56
Rank: #2101 (+79)
15K → 20K
19:57 | 6:25/mi
Half· 13.11 mi
1:24:18
Rank: #2102 (-1)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:36
Rank: #1942 (+160)
Half → 25K
15:18 | 6:19/mi
30K· 18.64 mi
1:59:30
Rank: #1783 (+159)
25K → 30K
19:54 | 6:24/mi
20M
2:08:11
Rank: #1705 (+78)
30K → 20M
8:41 | 6:23/mi
21M
2:14:50
Rank: #1647 (+58)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:19:25
Rank: #1614 (+33)
21M → 35K
4:35 | 6:08/mi
23M
2:27:18
Rank: #1536 (+78)
35K → 23M
7:53 | 6:18/mi
24M
2:33:23
Rank: #1467 (+69)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:38:43
Rank: #1426 (+41)
24M → 40K
5:20 | 6:14/mi
25.2M
2:40:48
Rank: #1377 (+49)
40K → 25.2M
2:05 | 6:03/mi
Finish· 26.22 mi
2:46:58
Rank: #1321 (+56)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:18
Pace6:26 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:40
Pace6:18 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3220:086:2920:08
6:29
-
10K
6.21 mi10:42:4240:186:2920:10
6:29
0:00
15K
9.32 mi11:02:2359:596:2619:41
6:20
-0:09
20K
12.43 mi11:22:201:19:566:2619:57
6:25
+0:05
Half
13.11 mi11:26:421:24:186:264:22
6:24
-0:01
25K
15.53 mi11:42:001:39:366:2515:18
6:19
-0:05
30K
18.64 mi12:01:541:59:306:2519:54
6:24
+0:05
20M
20.00 mi12:10:352:08:116:258:41
6:23
-0:01
21M
21.00 mi12:17:142:14:506:256:39
6:39
+0:16
35K
21.75 mi12:21:492:19:256:254:35
6:08
-0:31
23M
23.00 mi12:29:422:27:186:247:53
6:18
+0:10
24M
24.00 mi12:35:472:33:236:236:05
6:05
-0:13
40K
24.85 mi12:41:072:38:436:235:20
6:14
+0:09
25.2M
25.20 mi12:43:122:40:486:232:05
6:03
-0:11
Finish
26.22 mi12:49:222:46:586:226:10
6:03
0:00

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

6:03 /mi

Average Pace

6:22 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:07

40% of race

Time at Steady Pace

1:39:51

60% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:22:3220:086:2920:08
6:29
#2182
10K
6.21 mi10:42:4240:186:2920:10
6:29
#2427
15K
9.32 mi11:02:2359:596:2619:41
6:20
#2180
20K
12.43 mi11:22:201:19:566:2619:57
6:25
#2101
Half
13.11 mi11:26:421:24:186:264:22
6:24
#2102
25K
15.53 mi11:42:001:39:366:2515:18
6:19
#1942
30K
18.64 mi12:01:541:59:306:2519:54
6:24
#1783
20M
20.00 mi12:10:352:08:116:258:41
6:23
#1705
21M
21.00 mi12:17:142:14:506:256:39
6:39
#1647
35K
21.75 mi12:21:492:19:256:254:35
6:08
#1614
23M
23.00 mi12:29:422:27:186:247:53
6:18
#1536
24M
24.00 mi12:35:472:33:236:236:05
6:05
#1467
40K
24.85 mi12:41:072:38:436:235:20
6:14
#1426
25.2M
25.20 mi12:43:122:40:486:232:05
6:03
#1377
Finish
26.22 mi12:49:222:46:586:226:10
6:03
#1321
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2182208120811819(Top 7%)1742(Top 11%)1742(Top 33%)
10K6.21 mi3.10 mi2427-2452318-2372318-2372749(Top 10%)2627(Top 17%)2627(Top 50%)
15K9.32 mi3.11 mi2180+2472090+2282090+2281819(Top 7%)1742(Top 11%)1742(Top 33%)
20K12.43 mi3.11 mi2101+792012+782012+781895(Top 7%)1818(Top 12%)1818(Top 34%)
Half13.11 mi0.68 mi2102-12013-12013-12286(Top 9%)2191(Top 14%)2191(Top 41%)
25K15.53 mi2.42 mi1942+1601860+1531860+1531388(Top 5%)1325(Top 9%)1325(Top 25%)
30K18.64 mi3.11 mi1783+1591707+1531707+1531227(Top 5%)1171(Top 8%)1171(Top 22%)
20M20.00 mi1.36 mi1705+781631+761631+761130(Top 4%)1080(Top 7%)1080(Top 20%)
21M21.00 mi1.00 mi1647+581574+571574+57990(Top 4%)942(Top 6%)942(Top 18%)
35K21.75 mi0.75 mi1614+331543+311543+311039(Top 4%)987(Top 7%)987(Top 19%)
23M23.00 mi1.25 mi1536+781466+771466+77845(Top 3%)801(Top 5%)801(Top 15%)
24M24.00 mi1.00 mi1467+691399+671399+67746(Top 3%)706(Top 5%)706(Top 13%)
40K24.85 mi0.85 mi1426+411360+391360+39758(Top 3%)717(Top 5%)717(Top 14%)
25.2M25.20 mi0.35 mi1377+491312+481312+4899(Top 0.4%)86(Top 0.6%)86(Top 2%)
Finish26.22 mi1.02 mi1321+561257+551257+55841(Top 3%)805(Top 5%)805(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1819

Males

1742

M18-39

1742

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2749

Males

2627

M18-39

2627

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1819

Males

1742

M18-39

1742

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1895

Males

1818

M18-39

1818

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2286

Males

2191

M18-39

2191

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1388

Males

1325

M18-39

1325

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1227

Males

1171

M18-39

1171

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1130

Males

1080

M18-39

1080

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

990

Males

942

M18-39

942

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1039

Males

987

M18-39

987

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

845

Males

801

M18-39

801

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

746

Males

706

M18-39

706

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

758

Males

717

M18-39

717

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

99

Males

86

M18-39

86

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

841

Males

805

M18-39

805

Passing Analysis

Category:
Athletes Passed
1224
Passed By
363
Net Change
+861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2182
5K → 10K43288-245#2182#2427
10K → 15K2525+247#2427#2180
15K → 20K10223+79#2180#2101
20K → Half1617-1#2101#2102
Half → 25K1600+160#2102#1942
25K → 30K16910+159#1942#1783
30K → 20M824+78#1783#1705
20M → 21M591+58#1705#1647
21M → 35K341+33#1647#1614
35K → 23M835+78#1614#1536
23M → 24M712+69#1536#1467
24M → 40K443+41#1467#1426
40K → 25.2M490+49#1426#1377
25.2M → Finish604+56#1377#1321
TOTALS1224363+861
📊

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